build.log

build.log (text/plain), 406.02 KB, created by Agostino Sarubbo on 2021-06-22 06:31:39 UTC

 * Package:    dev-python/leather-0.3.3-r1
 * Repository: gentoo
 * Maintainer: [e-mail]
 * Upstream:   https://github.com/wireservice/leather/issues
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux python_targets_python3_8 python_targets_python3_9 test userland_GNU xml
 * FEATURES:   network-sandbox preserve-libs sandbox test userpriv usersandbox


@@@@@ PLEASE PAY ATTENTION HERE!!! @@@@@
This information may help you to understand if this is a duplicate or if this bug exists after you pushed a fix;
This ebuild was merged at the following commit:
https://github.com/gentoo/gentoo/commit/becb775fe9b788197b46beabea8ecf90a006a76d  (Tue Jun 22 02:56:20 UTC 2021)
@@@@@ END @@@@@



@@@@@ PLEASE PAY ATTENTION HERE!!! @@@@@
This ebuild was merged (directly or as a dependency) because of the following commit:
https://github.com/gentoo/gentoo/commit/becb775fe9b788197b46beabea8ecf90a006a76d
@@@@@ END @@@@@



##################
# emerge --info: #
##################
Portage 3.0.20 (python 3.9.5-final-0, default/linux/amd64/17.1, gcc-11.1.0, glibc-2.33-r1, 5.8.0-1035-aws x86_64)
=================================================================
System uname: Linux-5.8.0-1035-aws-x86_64-Intel-R-_Xeon-R-_Platinum_8259CL_CPU_@_2.50GHz-with-glibc2.33
KiB Mem:    65047144 total,  47903740 free
KiB Swap:          0 total,         0 free
sh bash 5.1_p8
ld GNU ld (Gentoo 2.36.1 p3) 2.36.1
app-shells/bash:          5.1_p8::gentoo
dev-lang/perl:            5.34.0::gentoo
dev-lang/python:          2.7.18_p11::gentoo, 3.8.10_p2::gentoo, 3.9.5_p2::gentoo, 3.10.0_beta3::gentoo
dev-lang/rust:            1.53.0::gentoo
dev-util/cmake:           3.20.5::gentoo
dev-util/pkgconfig:       0.29.2::gentoo
sys-apps/baselayout:      2.7-r3::gentoo
sys-apps/openrc:          0.43.3::gentoo
sys-apps/sandbox:         2.24::gentoo
sys-devel/autoconf:       2.13-r1::gentoo, 2.69-r5::gentoo
sys-devel/automake:       1.16.3-r1::gentoo
sys-devel/binutils:       2.36.1-r1::gentoo
sys-devel/gcc:            11.1.0-r1::gentoo
sys-devel/gcc-config:     2.4::gentoo
sys-devel/libtool:        2.4.6-r6::gentoo
sys-devel/make:           4.3::gentoo
sys-kernel/linux-headers: 5.12::gentoo (virtual/os-headers)
sys-libs/glibc:           2.33-r1::gentoo
Repositories:

gentoo
    location: /usr/portage
    sync-type: rsync
    sync-uri: rsync://rsync.gentoo.org/gentoo-portage
    priority: -1000
    sync-rsync-extra-opts: 
    sync-rsync-verify-metamanifest: yes
    sync-rsync-verify-max-age: 24
    sync-rsync-verify-jobs: 1

ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* MIT"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -pipe -march=x86-64 -frecord-gcc-switches"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-O2 -pipe -march=x86-64 -frecord-gcc-switches"
DISTDIR="/var/tmp/portage/dev-python/leather-0.3.3-r1/distdir"
EMERGE_DEFAULT_OPTS="--with-bdeps=y -1 -k -b"
ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR"
FCFLAGS="-O2 -pipe -march=x86-64 -frecord-gcc-switches"
FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg config-protect-if-modified distlocks ebuild-locks fixlafiles ipc-sandbox merge-sync multilib-strict network-sandbox news parallel-fetch pid-sandbox preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms sign split-log strict test unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr"
FFLAGS="-O2 -pipe -march=x86-64 -frecord-gcc-switches"
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="en_US.utf8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0"
MAKEOPTS="-j16"
PKGDIR="/root/.packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git"
PORTAGE_TMPDIR="/var/tmp"
USE="acl amd64 berkdb bzip2 cli crypt dri elogind fortran gdbm iconv ipv6 jumbo-build libglvnd libtirpc multilib native-symlinks ncurses nls nptl openmp pam pcre readline seccomp split-usr ssl tcpd test unicode xattr xml zlib" ABI_X86="64" ELIBC="glibc" KERNEL="linux" PYTHON_TARGETS="python3_8 python3_9" USERLAND="GNU"
Unset:  CC, CPPFLAGS, CTARGET, CXX, INSTALL_MASK, LC_ALL, LINGUAS, PORTAGE_BINHOST, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RUSTFLAGS





##############################
# emerge history (qlop -mv): #
##############################
2021-06-22T05:00:33 >>> dev-python/lxml-4.6.3-r1
2021-06-22T05:00:34 >>> dev-python/six-1.16.0
2021-06-22T05:00:34 >>> dev-python/cython-0.29.23
2021-06-22T05:00:44 >>> dev-python/leather-0.3.3-r1
2021-06-22T05:01:01 >>> dev-python/iniconfig-1.1.1
2021-06-22T05:01:03 >>> dev-python/py-1.10.0
2021-06-22T05:01:02 >>> dev-python/more-itertools-8.8.0
2021-06-22T05:01:03 >>> dev-python/pyparsing-2.4.7-r1
2021-06-22T05:01:04 >>> dev-python/typing-extensions-3.10.0.0
2021-06-22T05:01:05 >>> dev-python/zipp-3.4.1
2021-06-22T05:01:05 >>> dev-python/namespace-zope-1-r1
2021-06-22T05:01:19 >>> dev-python/packaging-20.9
2021-06-22T05:01:23 >>> dev-python/importlib_metadata-4.5.0
2021-06-22T05:01:24 >>> dev-python/zope-interface-5.4.0
2021-06-22T05:01:31 >>> dev-python/pluggy-0.13.1-r1
2021-06-22T05:01:33 >>> dev-python/attrs-21.2.0
2021-06-22T05:01:39 >>> dev-python/pytest-6.2.4-r1




#######################################
# installed packages (qlist -ICvUSS): #
#######################################
acct-group/audio-0-r1:0
acct-group/cdrom-0-r1:0
acct-group/dialout-0-r1:0
acct-group/disk-0-r1:0
acct-group/input-0-r1:0
acct-group/kmem-0-r1:0
acct-group/kvm-0-r1:0
acct-group/lp-0-r1:0
acct-group/man-0-r1:0
acct-group/messagebus-0-r1:0
acct-group/polkitd-0-r1:0
acct-group/portage-0:0
acct-group/render-0-r1:0
acct-group/sshd-0-r1:0
acct-group/tape-0-r1:0
acct-group/tty-0-r1:0
acct-group/video-0-r1:0
acct-user/man-1-r1:0
acct-user/messagebus-0-r1:0
acct-user/polkitd-0-r1:0
acct-user/portage-0:0
acct-user/sshd-0-r1:0
app-admin/eselect-1.4.17:0 -doc -emacs -vim-syntax
app-admin/perl-cleaner-2.30:0
app-arch/bzip2-1.0.8-r1:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 split-usr -static -static-libs
app-arch/gzip-1.10:0 -pic -static
app-arch/libarchive-3.5.1:0/13 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 acl -blake2 bzip2 e2fsprogs -expat iconv -lz4 lzma -lzo -nettle -static-libs threads xattr zlib -zstd
app-arch/tar-1.34:0 acl -minimal nls -selinux xattr
app-arch/unzip-6.0_p26:0 bzip2 -natspec unicode
app-arch/xz-utils-5.2.5:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 extra-filters nls split-usr -static-libs threads
app-arch/zstd-1.5.0:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -lz4 -static-libs threads
app-crypt/gnupg-2.2.28:0 bzip2 -doc -ldap nls readline -selinux smartcard ssl -tofu -tools -usb -user-socket -wks-server
app-crypt/gpgme-1.15.1:1/11 -common-lisp cxx -python python_targets_python3_8 python_targets_python3_9 -qt5 -static-libs
app-crypt/libb2-0.98.1-r3:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -native-cflags openmp -static-libs
app-crypt/openpgp-keys-gentoo-release-20200704:0 -test
app-crypt/pinentry-1.1.1-r1:0 -caps -efl -emacs -gnome-keyring -gtk ncurses -qt5
app-crypt/rhash-1.4.1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug nls ssl -static-libs
app-editors/nano-5.8:0 -debug -justify -magic -minimal ncurses nls spell split-usr -static unicode
app-eselect/eselect-iptables-20200508:0
app-eselect/eselect-lib-bin-symlink-0.1.1-r1:0
app-eselect/eselect-pinentry-0.7.2:0
app-eselect/eselect-python-20200719:0
app-eselect/eselect-rust-20200419:0
app-i18n/man-pages-it-5.06:0
app-i18n/man-pages-ja-20180315:0
app-i18n/man-pages-l10n-4.2.0-r1:0 l10n_de l10n_fr l10n_nl l10n_pl l10n_pt-BR l10n_ro
app-i18n/man-pages-ru-5.03.2390.2390.20191017:0
app-i18n/man-pages-zh_CN-1.6.3.2:0
app-misc/c_rehash-1.7-r1:0
app-misc/ca-certificates-20210119.3.66:0 -cacert
app-misc/editor-wrapper-4-r1:0
app-misc/mime-types-9:0
app-misc/pax-utils-1.3.2:0 -caps -debug -python -python_single_target_python3_10 -python_single_target_python3_8 python_single_target_python3_9 seccomp
app-misc/tmux-3.2a:0 -debug -selinux -utempter -vim-syntax
app-portage/eix-0.35.2:0 -debug -doc nls -sqlite
app-portage/elt-patches-20201205:0
app-portage/gemato-16.2:0 gpg python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test -tools
app-portage/gentoolkit-0.5.1:0 python_targets_pypy3 python_targets_python3_8 python_targets_python3_9 -test
app-portage/portage-utils-0.91:0 nls openmp qmanifest qtegrity -static
app-shells/bash-5.1_p8:0 -afs -bashlogger -examples -mem-scramble net nls -plugins readline
app-shells/push-3.4:0
app-shells/quoter-4.2:0
app-text/ansifilter-2.18:0 -qt5
app-text/build-docbook-catalog-1.21:0
app-text/docbook-xml-dtd-4.5-r2:4.5
app-text/docbook-xml-dtd-4.4-r3:4.4
app-text/docbook-xml-dtd-4.2-r3:4.2
app-text/docbook-xml-dtd-4.1.2-r7:4.1.2
app-text/docbook-xsl-stylesheets-1.79.1-r2:0 -ruby
app-text/manpager-1:0
app-text/opensp-1.5.2-r6:0 -doc nls -static-libs -test
app-text/po4a-0.63:0 -test
app-text/sgml-common-0.6.3-r7:0
app-text/xmlto-0.0.28-r6:0 -latex -text
dev-db/sqlite-3.35.5:3 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug -doc -icu readline -secure-delete -static-libs -tcl -test -tools
dev-lang/perl-5.34.0:0/5.34 berkdb -debug -doc gdbm -ithreads -minimal
dev-lang/python-3.10.0_beta3:3.10 -bluetooth -build -examples gdbm -hardened ipv6 ncurses readline sqlite ssl -test -tk -verify-sig -wininst xml
dev-lang/python-3.9.5_p2:3.9 -bluetooth -build -examples gdbm -hardened ipv6 ncurses readline sqlite ssl -test -tk -verify-sig -wininst xml
dev-lang/python-3.8.10_p2:3.8 -bluetooth -build -examples gdbm -hardened ipv6 ncurses readline sqlite ssl -test -tk -verify-sig -wininst xml
dev-lang/python-2.7.18_p11:2.7 -berkdb -bluetooth -build -examples gdbm -hardened ipv6 ncurses readline sqlite ssl threads -tk -verify-sig wide-unicode -wininst xml
dev-lang/python-exec-2.4.8:2 native-symlinks python_targets_pypy3 python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-lang/python-exec-conf-2.4.6:2 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9
dev-lang/rust-1.53.0:stable/1.53 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -clippy cpu_flags_x86_sse2 -debug -doc -llvm_targets_AArch64 -llvm_targets_AMDGPU -llvm_targets_ARM -llvm_targets_AVR -llvm_targets_BPF -llvm_targets_Hexagon -llvm_targets_Lanai -llvm_targets_Mips -llvm_targets_MSP430 -llvm_targets_NVPTX -llvm_targets_PowerPC -llvm_targets_RISCV -llvm_targets_Sparc -llvm_targets_SystemZ -llvm_targets_WebAssembly llvm_targets_X86 -llvm_targets_XCore -miri -nightly -parallel-compiler -rls -rustfmt -system-bootstrap -system-llvm -test -verify-sig -wasm
dev-lang/spidermonkey-78.11.0:78 -clang -cpu_flags_arm_neon -debug jit -lto -test
dev-lang/tcl-8.6.11:0/8.6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug threads
dev-libs/elfutils-0.185:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 bzip2 -lzma nls -static-libs -test -threads utils -valgrind -zstd
dev-libs/expat-2.4.1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -examples split-usr -static-libs unicode
dev-libs/glib-2.68.3-r1:2 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -dbus -debug elf -fam -gtk-doc mime -selinux -static-libs -sysprof -systemtap -test -utils xattr
dev-libs/gmp-6.2.1-r1:0/10.4 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 asm cxx -doc -pic -static-libs
dev-libs/gobject-introspection-1.68.0:0 -doctool -gtk-doc -python_single_target_python3_8 python_single_target_python3_9 -test
dev-libs/gobject-introspection-common-1.68.0:0
dev-libs/icu-69.1:0/69.1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug -doc -examples -static-libs
dev-libs/isl-0.24:0/23 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
dev-libs/jsoncpp-1.9.4:0/24 -doc -test
dev-libs/libassuan-2.5.5:0
dev-libs/libevent-2.1.12:0/2.1-7 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 clock-gettime -debug -malloc-replacement ssl -static-libs -test threads -verbose-debug
dev-libs/libffi-3.3-r2:0/7 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug -pax_kernel -static-libs -test
dev-libs/libgcrypt-1.9.3:0/20 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 asm -cpu_flags_arm_neon -cpu_flags_x86_aes -cpu_flags_x86_avx -cpu_flags_x86_avx2 -cpu_flags_x86_padlock -cpu_flags_x86_sha -cpu_flags_x86_sse4_1 -doc -o-flag-munging -static-libs
dev-libs/libgpg-error-1.42:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -common-lisp nls -static-libs
dev-libs/libksba-1.6.0:0 -static-libs
dev-libs/libltdl-2.4.6:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
dev-libs/libpcre-8.45:3 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 bzip2 cxx jit -libedit pcre16 pcre32 readline recursion-limit split-usr -static-libs unicode zlib
dev-libs/libpcre2-10.37-r2:0/3 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 bzip2 jit -libedit pcre16 pcre32 readline recursion-limit split-usr -static-libs unicode zlib
dev-libs/libpipeline-1.5.3:0 -static-libs -test
dev-libs/libtasn1-4.17.0:0/6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -doc -static-libs -test -valgrind
dev-libs/libunistring-0.9.10-r1:0/2 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -doc -static-libs
dev-libs/libuv-1.41.0:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32
dev-libs/libxml2-2.9.12-r3:2 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug -examples -icu ipv6 -lzma python python_targets_python3_8 python_targets_python3_9 readline -static-libs -test -verify-sig
dev-libs/libxslt-1.1.34-r1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 crypt -debug -examples -static-libs -verify-sig
dev-libs/mpc-1.2.1:0/3 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
dev-libs/mpfr-4.1.0:0/6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
dev-libs/nettle-3.7.3:0/8-6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 asm -cpu_flags_arm_neon -cpu_flags_x86_aes -cpu_flags_x86_sha -doc gmp -static-libs -test
dev-libs/npth-1.6-r1:0
dev-libs/nspr-4.31:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug
dev-libs/openssl-1.1.1k:0/1.1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 asm -bindist cpu_flags_x86_sse2 -rfc3779 -sctp -sslv3 -static-libs -test -tls-heartbeat -vanilla zlib
dev-libs/popt-1.18:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 nls -static-libs
dev-perl/Encode-EUCJPASCII-0.30.0-r1:0 -test
dev-perl/Encode-HanExtra-0.230.0-r3:0
dev-perl/Encode-Locale-1.50.0:0 -test
dev-perl/File-Listing-6.140.0:0 -test
dev-perl/HTML-Parser-3.760.0:0 -test
dev-perl/HTML-Tagset-3.200.0-r2:0
dev-perl/HTTP-Cookies-6.100.0:0 -test
dev-perl/HTTP-Date-6.50.0:0
dev-perl/HTTP-Message-6.320.0:0 -test
dev-perl/HTTP-Negotiate-6.10.0-r1:0
dev-perl/IO-HTML-1.4.0:0 -test
dev-perl/IO-Socket-INET6-2.720.0-r1:0
dev-perl/IO-Socket-SSL-2.71.0:0 -examples -idn -test
dev-perl/libwww-perl-6.530.0:0 ssl -test
dev-perl/Locale-gettext-1.70.0:0
dev-perl/LWP-MediaTypes-6.20.0-r1:0
dev-perl/LWP-Protocol-https-6.70.0:0 -test
dev-perl/MIME-Charset-1.12.2:0 l10n_ja l10n_zh
dev-perl/Module-Build-0.422.400:0 -test
dev-perl/Mozilla-CA-20999999:0
dev-perl/Net-HTTP-6.210.0:0 -minimal -test
dev-perl/Net-SSLeay-1.880.0-r1:0 -examples -examples -minimal -test
dev-perl/Pod-Parser-1.630.0-r1:0 -test
dev-perl/SGMLSpm-1.1-r1:0
dev-perl/Socket6-0.280.0:0
dev-perl/Sub-Name-0.210.0:0 -suggested -test
dev-perl/TermReadKey-2.370.0:0 -examples
dev-perl/Text-CharWidth-0.40.0-r1:0
dev-perl/Text-WrapI18N-0.60.0-r1:0
dev-perl/TimeDate-2.330.0:0
dev-perl/Try-Tiny-0.300.0:0 -minimal -test
dev-perl/Unicode-LineBreak-2019.1.0:0
dev-perl/URI-1.730.0:0 -test
dev-perl/WWW-RobotRules-6.20.0-r1:0
dev-perl/XML-Parser-2.460.0:0
dev-perl/YAML-Tiny-1.730.0:0 -minimal -test
dev-python/attrs-21.2.0:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/certifi-10001-r1:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/chardet-4.0.0:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/cython-0.29.23:0 -doc -emacs python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/idna-3.2:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9
dev-python/importlib_metadata-4.5.0:0 -doc python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/iniconfig-1.1.1:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/jinja-3.0.1:0 -doc -examples python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/leather-0.3.3-r1:0 python_targets_python3_8 python_targets_python3_9 -test -test xml
dev-python/lxml-4.6.3-r1:0 -doc -examples python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test threads
dev-python/markupsafe-2.0.1:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/more-itertools-8.8.0:0 -doc python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/namespace-zope-1-r1:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9
dev-python/packaging-20.9:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/pluggy-0.13.1-r1:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/py-1.10.0:0 -doc python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/pyparsing-2.4.7-r1:0 -examples python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9
dev-python/pypy3-7.3.4_p2:0/pypy37-pp73 bzip2 gdbm jit ncurses -sqlite -test -tk
dev-python/pypy3-exe-7.3.4:7.3.4 bzip2 -cpu_flags_x86_sse2 jit -low-memory ncurses
dev-python/PySocks-1.7.1-r1:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9
dev-python/pytest-6.2.4-r1:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/requests-2.25.1-r2:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -socks5 -test
dev-python/setuptools-57.0.0:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/setuptools_scm-6.0.1-r1:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/six-1.16.0:0 -doc python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/toml-0.10.2:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test -test
dev-python/typing-extensions-3.10.0.0:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9
dev-python/urllib3-1.26.5:0 -brotli python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/zipp-3.4.1:0 -doc python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-python/zope-interface-5.4.0:0 python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-util/cmake-3.20.5:0 -doc -emacs ncurses -qt5 -test -test
dev-util/desktop-file-utils-0.26-r1:0 -emacs
dev-util/glib-utils-2.68.3:0 -python_single_target_python3_8 python_single_target_python3_9
dev-util/gperf-3.1:0
dev-util/gtk-doc-am-1.33.2:0
dev-util/intltool-0.51.0-r2:0
dev-util/itstool-2.0.6-r1:0 -python_single_target_python3_8 python_single_target_python3_9
dev-util/meson-0.58.1:0 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -test
dev-util/meson-format-array-0:0 python_targets_python3_8 python_targets_python3_9
dev-util/ninja-1.10.2-r1:0 -doc -emacs -test -vim-syntax
dev-util/pkgconfig-0.29.2:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -hardened -internal-glib
dev-util/re2c-2.1.1-r1:0 -debug
dev-vcs/git-2.32.0:0 blksha1 -cgi curl -cvs -doc -emacs -gnome-keyring gpg -highlight iconv -mediawiki -mediawiki-experimental nls pcre -perforce -perl -ppcsha1 -python_single_target_python3_10 -python_single_target_python3_8 python_single_target_python3_9 -subversion -test threads -tk webdav -xinetd
net-dns/libidn2-2.3.1:0/2 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs -verify-sig
net-firewall/iptables-1.8.7:0/1.8.3 -conntrack ipv6 -netlink -nftables -pcap split-usr -static-libs
net-libs/gnutls-3.7.2:0/30 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 cxx -dane -doc -examples -guile idn nls openssl -pkcs11 seccomp -sslv2 -sslv3 -static-libs -test -test-full tls-heartbeat -tools -valgrind
net-libs/libmnl-1.0.4:0/0.2.0 -examples split-usr -static-libs
net-libs/libnsl-1.3.0-r1:0/2 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
net-libs/libtirpc-1.3.2:0/3 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 ipv6 -kerberos split-usr -static-libs
net-libs/nghttp2-1.43.0-r2:0/1.14 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -cxx -debug -hpack-tools -jemalloc -static-libs -test threads -utils -xml
net-misc/curl-7.77.0-r1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -adns -alt-svc -brotli -curl_ssl_gnutls -curl_ssl_mbedtls -curl_ssl_nss curl_ssl_openssl -curl_ssl_winssl ftp -gnutls -gopher -hsts http2 -idn imap ipv6 -kerberos -ldap -mbedtls -metalink -nghttp3 -nss openssl pop3 progress-meter -quiche -rtmp -samba smtp -ssh ssl -sslv3 -static-libs -telnet -test tftp -threads -winssl -zstd
net-misc/iputils-20210202:0 arping -caps -clockdiff -doc filecaps -gcrypt -idn ipv6 -nettle nls -rarpd -rdisc ssl -static -tftpd -tracepath -traceroute6
net-misc/netifrc-0.7.3:0
net-misc/openssh-8.6_p1-r2:0 -abi_mips_n32 -audit -bindist -debug -hpn -kerberos -ldns -libedit -livecd pam pie scp -sctp -security-key -selinux ssl -static -test -X -X509 -xmss
net-misc/rsync-3.2.3-r4:0 acl -examples iconv ipv6 -lz4 ssl -stunnel -system-zlib xattr -xxhash -zstd
net-misc/wget-1.21.1:0 -cookie_check -debug -gnutls -idn ipv6 -metalink nls -ntlm pcre ssl -static -test -uuid zlib
perl-core/File-Temp-0.231.100:0
sys-apps/acl-2.3.1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 nls split-usr -static-libs
sys-apps/attr-2.5.1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug nls split-usr -static-libs
sys-apps/baselayout-2.7-r3:0 -build split-usr
sys-apps/busybox-1.33.1:0 -debug ipv6 -livecd -make-symlinks -math -mdev -pam -savedconfig -selinux -sep-usr static -syslog -systemd
sys-apps/coreutils-8.32-r1:0 acl -caps -gmp -hostname -kill -multicall nls -selinux split-usr -static -test -vanilla xattr
sys-apps/dbus-1.12.20-r1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug -doc elogind -selinux -static-libs -systemd -test -test -user-session -X
sys-apps/debianutils-4.11.2:0 installkernel -static
sys-apps/diffutils-3.7-r1:0 nls -static
sys-apps/file-5.40-r2:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 bzip2 -lzma -python -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 -seccomp -static-libs zlib
sys-apps/findutils-4.8.0:0 nls -selinux -static -test
sys-apps/gawk-5.1.0:0 -mpfr nls readline
sys-apps/gentoo-functions-0.14:0
sys-apps/grep-3.6:0 nls pcre -static
sys-apps/groff-1.22.4:0 -examples -uchardet -X
sys-apps/help2man-1.48.3:0 nls
sys-apps/hwids-20210613-r1:0 net pci -systemd udev usb
sys-apps/install-xattr-0.8:0
sys-apps/iproute2-5.10.0-r1:0 -atm berkdb -caps -elf iptables ipv6 -libbsd -minimal -selinux
sys-apps/kbd-2.4.0:0 nls pam -test
sys-apps/kmod-29:0 -debug -doc lzma -pkcs7 -python python_targets_python3_8 python_targets_python3_9 -static-libs tools zlib -zstd
sys-apps/less-590:0 pcre unicode
sys-apps/man-db-2.9.4:0 berkdb gdbm manpager nls seccomp -selinux -static-libs zlib
sys-apps/man-pages-5.11:0 l10n_de l10n_fr l10n_it l10n_ja l10n_nl l10n_pl l10n_pt-BR l10n_ro l10n_ru l10n_zh-CN
sys-apps/man-pages-posix-2017a:0
sys-apps/net-tools-2.10:0 arp hostname ipv6 -nis nls -plipconfig -selinux -slattach -static
sys-apps/openrc-0.43.3:0 -audit -bash -debug ncurses netifrc -newnet pam -prefix -selinux -sysv-utils unicode
sys-apps/portage-3.0.20-r6:0 -apidoc -build -doc -gentoo-dev ipc native-extensions python_targets_pypy3 -python_targets_python3_10 python_targets_python3_8 python_targets_python3_9 rsync-verify -selinux -test xattr
sys-apps/sandbox-2.24:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 abi_x86_32 abi_x86_64 -abi_x86_x32
sys-apps/sed-4.8:0 acl nls -selinux -static
sys-apps/shadow-4.8.1-r3:0 acl -audit -bcrypt -cracklib nls pam -selinux -skey split-usr su xattr
sys-apps/systemd-tmpfiles-248.3:0 -selinux -test
sys-apps/sysvinit-2.99:0 -ibm -selinux -static
sys-apps/texinfo-6.7:0 nls standalone -static
sys-apps/util-linux-2.37:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -audit -build -caps cramfs -cryptsetup -fdformat -hardlink -kill logger -magic ncurses nls pam -python python_targets_python3_8 python_targets_python3_9 readline -selinux -slang split-usr -static-libs -su suid -systemd -test -tty-helpers -udev unicode
sys-apps/which-2.21:0
sys-auth/elogind-246.10-r1:0 acl -audit -debug -doc pam policykit -selinux
sys-auth/pambase-20210201.1:0 -caps -debug elogind -gnome-keyring -homed -minimal -mktemp nullok -pam_krb5 -pam_ssh passwdqc -pwhistory -pwquality -securetty -selinux sha512 -systemd
sys-auth/passwdqc-2.0.2:0
sys-auth/polkit-0.119:0 elogind -examples -gtk introspection -kde nls pam -selinux -systemd -test
sys-devel/autoconf-2.69-r5:2.69 -emacs
sys-devel/autoconf-2.13-r1:2.1
sys-devel/autoconf-archive-2021.02.19:0
sys-devel/autoconf-wrapper-15:0
sys-devel/automake-1.16.3-r1:1.16 -test
sys-devel/automake-wrapper-11:0
sys-devel/binutils-2.36.1-r1:2.36 -cet -default-gold -doc gold -multitarget nls plugins -static-libs -test -vanilla
sys-devel/binutils-config-5.4:0 native-symlinks
sys-devel/bison-3.7.6:0 -examples nls -static -test
sys-devel/flex-2.6.4-r1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 nls -static -test
sys-devel/gcc-11.1.0-r1:11 -ada -custom-cflags cxx -d -debug -doc -fixed-point fortran -go graphite -hardened -jit -libssp lto multilib nls nptl -objc -objc++ -objc-gc openmp pch -pgo pie sanitize ssp -systemtap -test -valgrind -vanilla -vtv -zstd
sys-devel/gcc-config-2.4:0 cc-wrappers native-symlinks
sys-devel/gettext-0.21-r1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 acl -cvs cxx -doc -emacs -git -java -java ncurses nls openmp -static-libs
sys-devel/gnuconfig-20210107:0
sys-devel/libtool-2.4.6-r6:2 -vanilla
sys-devel/llvm-12.0.0:12 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -debug -doc -doc -exegesis -gold -libedit libffi -llvm_targets_AArch64 llvm_targets_AMDGPU -llvm_targets_ARC -llvm_targets_ARM -llvm_targets_AVR llvm_targets_BPF -llvm_targets_CSKY -llvm_targets_Hexagon -llvm_targets_Lanai -llvm_targets_Mips -llvm_targets_MSP430 llvm_targets_NVPTX -llvm_targets_PowerPC -llvm_targets_RISCV -llvm_targets_Sparc -llvm_targets_SystemZ -llvm_targets_VE -llvm_targets_WebAssembly llvm_targets_X86 -llvm_targets_XCore ncurses -test -xar -xml -z3
sys-devel/llvm-common-12.0.0:0
sys-devel/m4-1.4.19:0 -examples nls
sys-devel/make-4.3:0 -guile nls -static
sys-devel/patch-2.7.6-r4:0 -static -test xattr
sys-fs/e2fsprogs-1.46.2:0 -cron -fuse -lto nls split-usr -static-libs threads
sys-fs/udev-248:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 acl kmod -selinux split-usr -static-libs
sys-fs/udev-init-scripts-34:0
sys-kernel/installkernel-gentoo-3:0
sys-kernel/linux-headers-5.12:0 -headers-only
sys-libs/db-6.0.35-r4:6.0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -cxx -doc -doc -examples -java -java -tcl -test -test
sys-libs/e2fsprogs-libs-1.46.2:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 split-usr -static-libs
sys-libs/gdbm-1.20:0/6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 berkdb nls readline -static-libs
sys-libs/glibc-2.33-r1:2.2 -audit -caps -cet -compile-locales crypt -custom-cflags -doc -gd -headers-only multiarch multilib -multilib-bootstrap -nscd -profile -selinux ssp static-libs -static-pie -suid -systemtap -test -vanilla
sys-libs/libcap-2.51:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 pam split-usr -static-libs
sys-libs/libseccomp-2.5.1-r1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -python python_targets_python3_8 python_targets_python3_9 -static-libs
sys-libs/ncurses-6.2_p20210123:0/6 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -ada cxx -debug -doc -gpm -minimal -profile split-usr -static-libs -test -threads tinfo -trace unicode
sys-libs/pam-1.5.1:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -audit berkdb -debug filecaps -nis -selinux split-usr
sys-libs/readline-8.1_p1:0/8 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 split-usr -static-libs unicode -utils
sys-libs/timezone-data-2021a:0 -leaps-timezone nls -zic-slim
sys-libs/zlib-1.2.11-r4:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 minizip split-usr -static-libs
sys-process/procps-3.3.17:0/8 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 elogind kill -modern-top ncurses nls -selinux split-usr -static-libs -systemd -test unicode
sys-process/psmisc-23.4-r1:0 ipv6 nls -selinux -X
virtual/acl-0-r2:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs
virtual/awk-1:0
virtual/dev-manager-0-r2:0
virtual/editor-0-r3:0
virtual/libc-1-r1:0
virtual/libcrypt-1-r1:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 static-libs
virtual/libelf-3:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32
virtual/libiconv-0-r2:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32
virtual/libintl-0-r2:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32
virtual/libudev-232-r3:0/1 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32 -static-libs -systemd
virtual/man-0-r4:0
virtual/os-headers-0-r2:0
virtual/package-manager-1:0
virtual/pager-0:0
virtual/perl-Carp-1.520.0-r1:0
virtual/perl-Compress-Raw-Bzip2-2.101.0:0
virtual/perl-Compress-Raw-Zlib-2.101.0:0
virtual/perl-CPAN-Meta-2.150.10-r5:0
virtual/perl-CPAN-Meta-Requirements-2.140.0-r7:0
virtual/perl-CPAN-Meta-YAML-0.18.0-r7:0
virtual/perl-Data-Dumper-2.179.0:0
virtual/perl-Digest-MD5-2.580.0:0
virtual/perl-Encode-3.80.0:0
virtual/perl-Exporter-5.760.0:0
virtual/perl-ExtUtils-CBuilder-0.280.236:0
virtual/perl-ExtUtils-Install-2.200.0:0
virtual/perl-ExtUtils-MakeMaker-7.620.0:0
virtual/perl-ExtUtils-Manifest-1.730.0:0
virtual/perl-ExtUtils-ParseXS-3.430.0:0
virtual/perl-File-Spec-3.800.0:0
virtual/perl-File-Temp-0.231.100:0
virtual/perl-Getopt-Long-2.520.0:0
virtual/perl-IO-1.460.0:0
virtual/perl-IO-Compress-2.102.0:0
virtual/perl-IO-Socket-IP-0.410.0:0
virtual/perl-JSON-PP-4.60.0:0
virtual/perl-libnet-3.130.0:0 ssl
virtual/perl-MIME-Base64-3.160.0:0
virtual/perl-Module-Metadata-1.0.37-r1:0
virtual/perl-parent-0.238.0-r1:0
virtual/perl-Parse-CPAN-Meta-2.150.10-r5:0
virtual/perl-Perl-OSType-1.10.0-r5:0
virtual/perl-Pod-Parser-1.630.0-r8:0
virtual/perl-podlators-4.140.0-r2:0
virtual/perl-Scalar-List-Utils-1.550.0-r1:0
virtual/perl-Test-Harness-3.430.0:0
virtual/perl-Text-ParseWords-3.300.0-r8:0
virtual/perl-Time-Local-1.300.0:0
virtual/perl-version-0.992.800:0
virtual/perl-XSLoader-0.300.0-r4:0
virtual/pkgconfig-2:0
virtual/rust-1.53.0:0 -abi_mips_n32 -abi_mips_n64 -abi_mips_o32 -abi_s390_32 -abi_s390_64 -abi_x86_32 abi_x86_64 -abi_x86_x32
virtual/service-manager-1:0
virtual/ssh-0:0 -minimal
virtual/tmpfiles-0-r1:0
virtual/udev-217-r2:0
virtual/yacc-0:0
www-client/pybugz-0.13:0 python_targets_python3_8 python_targets_python3_9 -zsh-completion
x11-misc/shared-mime-info-2.1:0


#######################
# build.log           #
#######################
>>> Unpacking source...
>>> Unpacking leather-0.3.3.tar.gz to /var/tmp/portage/dev-python/leather-0.3.3-r1/work
>>> Unpacking leather-0.3.3-src.tar.gz to /var/tmp/portage/dev-python/leather-0.3.3-r1/work
>>> Source unpacked in /var/tmp/portage/dev-python/leather-0.3.3-r1/work
>>> Preparing source in /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3 ...
 * python3_8: running distutils-r1_run_phase distutils-r1_python_compile
python3.8 setup.py build -j 16
running build
running build_py
creating /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather
copying leather/grid.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather
copying leather/data_types.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather
copying leather/utils.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather
copying leather/axis.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather
copying leather/__init__.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather
copying leather/chart.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather
copying leather/theme.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather
copying leather/lattice.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather
copying leather/svg.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather
copying leather/testcase.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather
creating /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/scales
copying leather/scales/ordinal.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/scales
copying leather/scales/__init__.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/scales
copying leather/scales/temporal.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/scales
copying leather/scales/base.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/scales
copying leather/scales/linear.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/scales
creating /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/series
copying leather/series/__init__.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/series
copying leather/series/category.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/series
copying leather/series/base.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/series
creating /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/shapes
copying leather/shapes/dots.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/shapes
copying leather/shapes/__init__.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/shapes
copying leather/shapes/base.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/shapes
copying leather/shapes/columns.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/shapes
copying leather/shapes/line.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/shapes
copying leather/shapes/bars.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/shapes
creating /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/ticks
copying leather/ticks/__init__.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/ticks
copying leather/ticks/score_time.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/ticks
copying leather/ticks/base.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/ticks
copying leather/ticks/score.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_8/lib/leather/ticks
warning: build_py: byte-compiling is disabled, skipping.

 * python3_9: running distutils-r1_run_phase distutils-r1_python_compile
python3.9 setup.py build -j 16
running build
running build_py
creating /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather
copying leather/grid.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather
copying leather/data_types.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather
copying leather/utils.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather
copying leather/axis.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather
copying leather/__init__.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather
copying leather/chart.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather
copying leather/theme.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather
copying leather/lattice.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather
copying leather/svg.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather
copying leather/testcase.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather
creating /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/scales
copying leather/scales/ordinal.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/scales
copying leather/scales/__init__.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/scales
copying leather/scales/temporal.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/scales
copying leather/scales/base.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/scales
copying leather/scales/linear.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/scales
creating /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/series
copying leather/series/__init__.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/series
copying leather/series/category.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/series
copying leather/series/base.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/series
creating /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/shapes
copying leather/shapes/dots.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/shapes
copying leather/shapes/__init__.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/shapes
copying leather/shapes/base.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/shapes
copying leather/shapes/columns.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/shapes
copying leather/shapes/line.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/shapes
copying leather/shapes/bars.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/shapes
creating /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/ticks
copying leather/ticks/__init__.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/ticks
copying leather/ticks/score_time.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/ticks
copying leather/ticks/base.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/ticks
copying leather/ticks/score.py -> /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3-python3_9/lib/leather/ticks
warning: build_py: byte-compiling is disabled, skipping.

>>> Source compiled.
>>> Test phase: dev-python/leather-0.3.3-r1
 * python3_8: running distutils-r1_run_phase python_test
python3.8 -m pytest -vv -ra -l
============================= test session starts ==============================
platform linux -- Python 3.8.10, pytest-6.2.4, py-1.10.0, pluggy-0.13.1 -- /usr/bin/python3.8
cachedir: .pytest_cache
rootdir: /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3
collecting ... collected 70 items

tests/test_axis.py::TestChart::test_tick_formatter FAILED                [  1%]
tests/test_axis.py::TestChart::test_ticks FAILED                         [  2%]
tests/test_chart.py::TestChart::test_add_axes FAILED                     [  4%]
tests/test_chart.py::TestChart::test_add_scales FAILED                   [  5%]
tests/test_chart.py::TestChart::test_multiple_series FAILED              [  7%]
tests/test_chart.py::TestChart::test_scale_domain_warning PASSED         [  8%]
tests/test_chart.py::TestChart::test_set_axes FAILED                     [ 10%]
tests/test_chart.py::TestChart::test_set_scales FAILED                   [ 11%]
tests/test_chart.py::TestChart::test_single_series FAILED                [ 12%]
tests/test_chart.py::TestChart::test_to_svg_file_handle PASSED           [ 14%]
tests/test_chart.py::TestChart::test_to_svg_file_name PASSED             [ 15%]
tests/test_chart.py::TestChart::test_unicode FAILED                      [ 17%]
tests/test_grid.py::TestGrid::test_add_many FAILED                       [ 18%]
tests/test_grid.py::TestGrid::test_add_one FAILED                        [ 20%]
tests/test_grid.py::TestGrid::test_to_svg_file_handle PASSED             [ 21%]
tests/test_grid.py::TestGrid::test_to_svg_file_name PASSED               [ 22%]
tests/test_lattice.py::TestLattice::test_add_many FAILED                 [ 24%]
tests/test_lattice.py::TestLattice::test_add_one FAILED                  [ 25%]
tests/test_lattice.py::TestLattice::test_bars FAILED                     [ 27%]
tests/test_lattice.py::TestLattice::test_bars_different FAILED           [ 28%]
tests/test_scales.py::TestLinear::test_contains PASSED                   [ 30%]
tests/test_scales.py::TestLinear::test_decimal PASSED                    [ 31%]
tests/test_scales.py::TestLinear::test_no_spread PASSED                  [ 32%]
tests/test_scales.py::TestLinear::test_project PASSED                    [ 34%]
tests/test_scales.py::TestLinear::test_ticks PASSED                      [ 35%]
tests/test_scales.py::TestOrdinal::test_contains PASSED                  [ 37%]
tests/test_scales.py::TestOrdinal::test_project PASSED                   [ 38%]
tests/test_scales.py::TestOrdinal::test_project_interval PASSED          [ 40%]
tests/test_scales.py::TestOrdinal::test_ticks PASSED                     [ 41%]
tests/test_scales.py::TestTemporal::test_contains PASSED                 [ 42%]
tests/test_scales.py::TestTemporal::test_project PASSED                  [ 44%]
tests/test_scales.py::TestTemporal::test_project_interval PASSED         [ 45%]
tests/test_scales.py::TestTemporal::test_ticks PASSED                    [ 47%]
tests/test_series.py::TestSeries::test_custom PASSED                     [ 48%]
tests/test_series.py::TestSeries::test_dicts PASSED                      [ 50%]
tests/test_series.py::TestSeries::test_lists PASSED                      [ 51%]
tests/test_series.py::TestSeries::test_pairs PASSED                      [ 52%]
tests/test_series.py::TestCategorySeries::test_triples PASSED            [ 54%]
tests/test_shapes.py::TestBars::test_nulls PASSED                        [ 55%]
tests/test_shapes.py::TestBars::test_to_svg PASSED                       [ 57%]
tests/test_shapes.py::TestBars::test_validate PASSED                     [ 58%]
tests/test_shapes.py::TestBars::test_zeros PASSED                        [ 60%]
tests/test_shapes.py::TestColumns::test_nulls PASSED                     [ 61%]
tests/test_shapes.py::TestColumns::test_to_svg PASSED                    [ 62%]
tests/test_shapes.py::TestColumns::test_validate PASSED                  [ 64%]
tests/test_shapes.py::TestDots::test_linear PASSED                       [ 65%]
tests/test_shapes.py::TestDots::test_nulls PASSED                        [ 67%]
tests/test_shapes.py::TestDots::test_ordinal PASSED                      [ 68%]
tests/test_shapes.py::TestDots::test_validate PASSED                     [ 70%]
tests/test_shapes.py::TestLine::test_linear PASSED                       [ 71%]
tests/test_shapes.py::TestLine::test_nulls PASSED                        [ 72%]
tests/test_shapes.py::TestLine::test_ordinal PASSED                      [ 74%]
tests/test_shapes.py::TestLine::test_validate PASSED                     [ 75%]
tests/test_ticks.py::TestScoreTicker::test_years PASSED                  [ 77%]
tests/test_ticks.py::TestScoreTimeTicker::test_days PASSED               [ 78%]
tests/test_ticks.py::TestScoreTimeTicker::test_days_datetime PASSED      [ 80%]
tests/test_ticks.py::TestScoreTimeTicker::test_days_for_months PASSED    [ 81%]
tests/test_ticks.py::TestScoreTimeTicker::test_hours PASSED              [ 82%]
tests/test_ticks.py::TestScoreTimeTicker::test_hours_for_days PASSED     [ 84%]
tests/test_ticks.py::TestScoreTimeTicker::test_microseconds PASSED       [ 85%]
tests/test_ticks.py::TestScoreTimeTicker::test_microseconds_for_seconds PASSED [ 87%]
tests/test_ticks.py::TestScoreTimeTicker::test_minutes PASSED            [ 88%]
tests/test_ticks.py::TestScoreTimeTicker::test_minutes_for_hours PASSED  [ 90%]
tests/test_ticks.py::TestScoreTimeTicker::test_months PASSED             [ 91%]
tests/test_ticks.py::TestScoreTimeTicker::test_months_datetime PASSED    [ 92%]
tests/test_ticks.py::TestScoreTimeTicker::test_months_for_years PASSED   [ 94%]
tests/test_ticks.py::TestScoreTimeTicker::test_seconds PASSED            [ 95%]
tests/test_ticks.py::TestScoreTimeTicker::test_seconds_for_minutes PASSED [ 97%]
tests/test_ticks.py::TestScoreTimeTicker::test_years PASSED              [ 98%]
tests/test_ticks.py::TestScoreTimeTicker::test_years_datetime PASSED     [100%]

=================================== FAILURES ===================================
________________________ TestChart.test_tick_formatter _________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdff8bb0>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdff8bb0>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_axis.TestChart testMethod=test_tick_formatter>

    def test_tick_formatter(self):
        chart = leather.Chart()
        chart.add_dots(self.data)
    
        def test_formatter(value, i, count):
            return '%i+' % (value * 10)
    
        axis = leather.Axis(tick_formatter=test_formatter)
        chart.set_x_axis(axis)
    
        svg = self.render_chart(chart)
    
>       self.assertTickLabels(svg, 'bottom', ['25+', '50+', '75+', '100+', '0+'])

axis       = <leather.axis.Axis object at 0x7f98ce573880>
chart      = <leather.chart.Chart object at 0x7f98ce5734f0>
self       = <tests.test_axis.TestChart testMethod=test_tick_formatter>
svg        = <Element svg at 0x7f98ce5f1f80>
test_formatter = <function TestChart.test_tick_formatter.<locals>.test_formatter at 0x7f98ce5ef8b0>

tests/test_axis.py:38: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:38: in assertTickLabels
    ticks = [t.text for t in svg.cssselect('.%s .tick text' % orient)]
        compare    = ['25+', '50+', '75+', '100+', '0+']
        orient     = 'bottom'
        self       = <tests.test_axis.TestChart testMethod=test_tick_formatter>
        svg        = <Element svg at 0x7f98ce5f1f80>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdff8bb0>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdff8bb0>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
_____________________________ TestChart.test_ticks _____________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfb6940>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfb6940>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_axis.TestChart testMethod=test_ticks>

    def test_ticks(self):
        chart = leather.Chart()
        chart.add_dots(self.data)
    
        axis = leather.Axis(ticks=[-12, 0, 17, 44, 87, 99])
        chart.set_x_axis(axis)
    
        svg = self.render_chart(chart)
    
>       self.assertTickLabels(svg, 'bottom', ['-12', '17', '44', '87', '99', '0'])

axis       = <leather.axis.Axis object at 0x7f98cdfb6310>
chart      = <leather.chart.Chart object at 0x7f98cdfb64f0>
self       = <tests.test_axis.TestChart testMethod=test_ticks>
svg        = <Element svg at 0x7f98ce6003c0>

tests/test_axis.py:24: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:38: in assertTickLabels
    ticks = [t.text for t in svg.cssselect('.%s .tick text' % orient)]
        compare    = ['-12', '17', '44', '87', '99', '0']
        orient     = 'bottom'
        self       = <tests.test_axis.TestChart testMethod=test_ticks>
        svg        = <Element svg at 0x7f98ce6003c0>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfb6940>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfb6940>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
___________________________ TestChart.test_add_axes ____________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfa2ca0>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfa2ca0>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_chart.TestChart testMethod=test_add_axes>

    def test_add_axes(self):
        chart = leather.Chart()
        chart.add_x_axis(ticks=[0, 4, 8])
        chart.add_y_axis(ticks=[3, 6, 9])
        chart.add_dots(self.data1)
    
        svg = self.render_chart(chart)
    
>       self.assertTickLabels(svg, 'left', ['3', '6', '9'])

chart      = <leather.chart.Chart object at 0x7f98cdfa2f70>
self       = <tests.test_chart.TestChart testMethod=test_add_axes>
svg        = <Element svg at 0x7f98cdfc7580>

tests/test_chart.py:119: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:38: in assertTickLabels
    ticks = [t.text for t in svg.cssselect('.%s .tick text' % orient)]
        compare    = ['3', '6', '9']
        orient     = 'left'
        self       = <tests.test_chart.TestChart testMethod=test_add_axes>
        svg        = <Element svg at 0x7f98cdfc7580>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfa2ca0>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfa2ca0>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
__________________________ TestChart.test_add_scales ___________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf79a30>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf79a30>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_chart.TestChart testMethod=test_add_scales>

    def test_add_scales(self):
        chart = leather.Chart()
        chart.add_x_scale(0, 20)
        chart.add_y_scale(0, 20)
        chart.add_dots(self.data1)
    
        svg = self.render_chart(chart)
    
>       self.assertTickLabels(svg, 'left', ['5', '10', '15', '20', '0'])

chart      = <leather.chart.Chart object at 0x7f98cdf79280>
self       = <tests.test_chart.TestChart testMethod=test_add_scales>
svg        = <Element svg at 0x7f98cdfca500>

tests/test_chart.py:85: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:38: in assertTickLabels
    ticks = [t.text for t in svg.cssselect('.%s .tick text' % orient)]
        compare    = ['5', '10', '15', '20', '0']
        orient     = 'left'
        self       = <tests.test_chart.TestChart testMethod=test_add_scales>
        svg        = <Element svg at 0x7f98cdfca500>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf79a30>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf79a30>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
________________________ TestChart.test_multiple_series ________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf63700>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf63700>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_chart.TestChart testMethod=test_multiple_series>

    def test_multiple_series(self):
        chart = leather.Chart()
        chart.add_dots(self.data1)
        chart.add_dots(self.data2)
    
        svg = self.render_chart(chart)
    
>       self.assertElementCount(svg, '.axis', 2)

chart      = <leather.chart.Chart object at 0x7f98cdf63160>
self       = <tests.test_chart.TestChart testMethod=test_multiple_series>
svg        = <Element svg at 0x7f98cdfcd400>

tests/test_chart.py:52: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:34: in assertElementCount
    series = svg.cssselect(selector)
        count      = 2
        selector   = '.axis'
        self       = <tests.test_chart.TestChart testMethod=test_multiple_series>
        svg        = <Element svg at 0x7f98cdfcd400>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf63700>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf63700>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
___________________________ TestChart.test_set_axes ____________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf70190>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf70190>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_chart.TestChart testMethod=test_set_axes>

    def test_set_axes(self):
        chart = leather.Chart()
        chart.set_x_axis(leather.Axis(ticks=[0, 4, 8]))
        chart.set_y_axis(leather.Axis(ticks=[3, 6, 9]))
        chart.add_dots(self.data1)
    
        svg = self.render_chart(chart)
    
>       self.assertTickLabels(svg, 'left', ['3', '6', '9'])

chart      = <leather.chart.Chart object at 0x7f98cdf70df0>
self       = <tests.test_chart.TestChart testMethod=test_set_axes>
svg        = <Element svg at 0x7f98ce002740>

tests/test_chart.py:108: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:38: in assertTickLabels
    ticks = [t.text for t in svg.cssselect('.%s .tick text' % orient)]
        compare    = ['3', '6', '9']
        orient     = 'left'
        self       = <tests.test_chart.TestChart testMethod=test_set_axes>
        svg        = <Element svg at 0x7f98ce002740>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf70190>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf70190>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
__________________________ TestChart.test_set_scales ___________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf79910>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf79910>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_chart.TestChart testMethod=test_set_scales>

    def test_set_scales(self):
        chart = leather.Chart()
        chart.set_x_scale(leather.Linear(0, 20))
        chart.set_y_scale(leather.Linear(0, 20))
        chart.add_dots(self.data1)
    
        svg = self.render_chart(chart)
    
>       self.assertTickLabels(svg, 'left', ['5', '10', '15', '20', '0'])

chart      = <leather.chart.Chart object at 0x7f98cdfb6f10>
self       = <tests.test_chart.TestChart testMethod=test_set_scales>
svg        = <Element svg at 0x7f98cec72240>

tests/test_chart.py:74: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:38: in assertTickLabels
    ticks = [t.text for t in svg.cssselect('.%s .tick text' % orient)]
        compare    = ['5', '10', '15', '20', '0']
        orient     = 'left'
        self       = <tests.test_chart.TestChart testMethod=test_set_scales>
        svg        = <Element svg at 0x7f98cec72240>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf79910>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf79910>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
_________________________ TestChart.test_single_series _________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf25eb0>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf25eb0>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_chart.TestChart testMethod=test_single_series>

    def test_single_series(self):
        chart = leather.Chart()
        chart.add_dots(self.data1)
    
        svg = self.render_chart(chart)
    
>       self.assertElementCount(svg, '.axis', 2)

chart      = <leather.chart.Chart object at 0x7f98cdf70100>
self       = <tests.test_chart.TestChart testMethod=test_single_series>
svg        = <Element svg at 0x7f98cdfcfec0>

tests/test_chart.py:40: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:34: in assertElementCount
    series = svg.cssselect(selector)
        count      = 2
        selector   = '.axis'
        self       = <tests.test_chart.TestChart testMethod=test_single_series>
        svg        = <Element svg at 0x7f98cdfcfec0>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf25eb0>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf25eb0>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
____________________________ TestChart.test_unicode ____________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf2ee50>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf2ee50>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_chart.TestChart testMethod=test_unicode>

    def test_unicode(self):
        chart = leather.Chart()
        chart.add_bars([(1, u'👍')])
    
        svg = self.render_chart(chart)
    
>       self.assertElementCount(svg, '.axis', 2)

chart      = <leather.chart.Chart object at 0x7f98cdf79310>
self       = <tests.test_chart.TestChart testMethod=test_unicode>
svg        = <Element svg at 0x7f98ce578180>

tests/test_chart.py:63: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:34: in assertElementCount
    series = svg.cssselect(selector)
        count      = 2
        selector   = '.axis'
        self       = <tests.test_chart.TestChart testMethod=test_unicode>
        svg        = <Element svg at 0x7f98ce578180>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf2ee50>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf2ee50>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
____________________________ TestGrid.test_add_many ____________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfb6940>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfb6940>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_grid.TestGrid testMethod=test_add_many>

    def test_add_many(self):
        chart1 = leather.Chart()
        chart1.add_dots(self.data1)
    
        chart2 = leather.Chart()
        chart2.add_dots(self.data2)
    
        grid = leather.Grid()
        grid.add_many([chart1, chart2, chart1])
    
        svg = self.render_chart(grid)
    
>       self.assertElementCount(svg, '.axis', 6)

chart1     = <leather.chart.Chart object at 0x7f98cdf79df0>
chart2     = <leather.chart.Chart object at 0x7f98cdfb6310>
grid       = <leather.grid.Grid object at 0x7f98cdfb6b50>
self       = <tests.test_grid.TestGrid testMethod=test_add_many>
svg        = <Element svg at 0x7f98cdffa940>

tests/test_grid.py:62: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:34: in assertElementCount
    series = svg.cssselect(selector)
        count      = 6
        selector   = '.axis'
        self       = <tests.test_grid.TestGrid testMethod=test_add_many>
        svg        = <Element svg at 0x7f98cdffa940>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfb6940>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdfb6940>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
____________________________ TestGrid.test_add_one _____________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf80040>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf80040>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_grid.TestGrid testMethod=test_add_one>

    def test_add_one(self):
        chart1 = leather.Chart()
        chart1.add_dots(self.data1)
    
        chart2 = leather.Chart()
        chart2.add_dots(self.data2)
    
        grid = leather.Grid()
        grid.add_one(chart1)
        grid.add_one(chart2)
    
        svg = self.render_chart(grid)
    
>       self.assertElementCount(svg, '.axis', 4)

chart1     = <leather.chart.Chart object at 0x7f98cdf80c10>
chart2     = <leather.chart.Chart object at 0x7f98cdf802e0>
grid       = <leather.grid.Grid object at 0x7f98cdf807c0>
self       = <tests.test_grid.TestGrid testMethod=test_add_one>
svg        = <Element svg at 0x7f98ce5e29c0>

tests/test_grid.py:45: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:34: in assertElementCount
    series = svg.cssselect(selector)
        count      = 4
        selector   = '.axis'
        self       = <tests.test_grid.TestGrid testMethod=test_add_one>
        svg        = <Element svg at 0x7f98ce5e29c0>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf80040>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf80040>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
__________________________ TestLattice.test_add_many ___________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf251f0>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf251f0>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_lattice.TestLattice testMethod=test_add_many>

    def test_add_many(self):
        lattice = leather.Lattice()
        lattice.add_many([self.data1, self.data2, self.data1])
    
        svg = self.render_chart(lattice)
    
>       self.assertElementCount(svg, '.axis', 6)

lattice    = <leather.lattice.Lattice object at 0x7f98cdfb60a0>
self       = <tests.test_lattice.TestLattice testMethod=test_add_many>
svg        = <Element svg at 0x7f98cdfc9200>

tests/test_lattice.py:40: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:34: in assertElementCount
    series = svg.cssselect(selector)
        count      = 6
        selector   = '.axis'
        self       = <tests.test_lattice.TestLattice testMethod=test_add_many>
        svg        = <Element svg at 0x7f98cdfc9200>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf251f0>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf251f0>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
___________________________ TestLattice.test_add_one ___________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cec5ad90>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cec5ad90>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_lattice.TestLattice testMethod=test_add_one>

    def test_add_one(self):
        lattice = leather.Lattice()
        lattice.add_one(self.data1)
        lattice.add_one(self.data2)
    
        svg = self.render_chart(lattice)
    
>       self.assertElementCount(svg, '.axis', 4)

lattice    = <leather.lattice.Lattice object at 0x7f98cdf79580>
self       = <tests.test_lattice.TestLattice testMethod=test_add_one>
svg        = <Element svg at 0x7f98ceca4380>

tests/test_lattice.py:30: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:34: in assertElementCount
    series = svg.cssselect(selector)
        count      = 4
        selector   = '.axis'
        self       = <tests.test_lattice.TestLattice testMethod=test_add_one>
        svg        = <Element svg at 0x7f98ceca4380>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cec5ad90>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cec5ad90>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
____________________________ TestLattice.test_bars _____________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf41d30>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf41d30>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_lattice.TestLattice testMethod=test_bars>

    def test_bars(self):
        data1 = [
            (2, 'foo'),
            (6, 'bar'),
            (9, 'bing')
        ]
    
        data2 = [
            (3, 'foo'),
            (5, 'bar'),
            (7, 'bing')
        ]
    
        lattice = leather.Lattice(shape=leather.Bars())
        lattice.add_many([data1, data2])
    
        svg = self.render_chart(lattice)
    
>       self.assertElementCount(svg, '.axis', 4)

data1      = [(2, 'foo'), (6, 'bar'), (9, 'bing')]
data2      = [(3, 'foo'), (5, 'bar'), (7, 'bing')]
lattice    = <leather.lattice.Lattice object at 0x7f98cdf414f0>
self       = <tests.test_lattice.TestLattice testMethod=test_bars>
svg        = <Element svg at 0x7f98cdfce540>

tests/test_lattice.py:62: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:34: in assertElementCount
    series = svg.cssselect(selector)
        count      = 4
        selector   = '.axis'
        self       = <tests.test_lattice.TestLattice testMethod=test_bars>
        svg        = <Element svg at 0x7f98cdfce540>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf41d30>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf41d30>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
_______________________ TestLattice.test_bars_different ________________________

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
>       import cssselect as external_cssselect
E       ModuleNotFoundError: No module named 'cssselect'

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf2e5e0>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf2e5e0>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:13: ModuleNotFoundError

During handling of the above exception, another exception occurred:

self = <tests.test_lattice.TestLattice testMethod=test_bars_different>

    def test_bars_different(self):
        data1 = [
            (3, 'foo'),
            (5, 'bar'),
            (9, 'bing')
        ]
    
        data2 = [
            (3, 'foo'),
            (5, 'bar'),
            (9, 'baz')
        ]
    
        lattice = leather.Lattice(shape=leather.Bars())
        lattice.add_many([data1, data2])
    
        svg = self.render_chart(lattice)
    
>       self.assertElementCount(svg, '.axis', 4)

data1      = [(3, 'foo'), (5, 'bar'), (9, 'bing')]
data2      = [(3, 'foo'), (5, 'bar'), (9, 'baz')]
lattice    = <leather.lattice.Lattice object at 0x7f98cdf2ef70>
self       = <tests.test_lattice.TestLattice testMethod=test_bars_different>
svg        = <Element svg at 0x7f98cdf5dd80>

tests/test_lattice.py:84: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
leather/testcase.py:34: in assertElementCount
    series = svg.cssselect(selector)
        count      = 4
        selector   = '.axis'
        self       = <tests.test_lattice.TestLattice testMethod=test_bars_different>
        svg        = <Element svg at 0x7f98cdf5dd80>
src/lxml/etree.pyx:1594: in lxml.etree._Element.cssselect
    ???
        AncestorsIterator = <class 'lxml.etree.AncestorsIterator'>
        AttributeBasedElementClassLookup = <class 'lxml.etree.AttributeBasedElementClassLookup'>
        C14NError  = <class 'lxml.etree.C14NError'>
        C14NWriterTarget = <class 'lxml.etree.C14NWriterTarget'>
        CDATA      = <class 'lxml.etree.CDATA'>
        Comment    = <cyfunction Comment at 0x7f98ce0865f0>
        CommentBase = <class 'lxml.etree.CommentBase'>
        CustomElementClassLookup = <class 'lxml.etree.CustomElementClassLookup'>
        DEBUG      = 1
        DTD        = <class 'lxml.etree.DTD'>
        DTDError   = <class 'lxml.etree.DTDError'>
        DTDParseError = <class 'lxml.etree.DTDParseError'>
        DTDValidateError = <class 'lxml.etree.DTDValidateError'>
        DocInfo    = <class 'lxml.etree.DocInfo'>
        DocumentInvalid = <class 'lxml.etree.DocumentInvalid'>
        ETCompatXMLParser = <class 'lxml.etree.ETCompatXMLParser'>
        ETXPath    = <class 'lxml.etree.ETXPath'>
        Element    = <cyfunction Element at 0x7f98ce086520>
        ElementBase = <class 'lxml.etree.ElementBase'>
        ElementChildIterator = <class 'lxml.etree.ElementChildIterator'>
        ElementClassLookup = <class 'lxml.etree.ElementClassLookup'>
        ElementDefaultClassLookup = <class 'lxml.etree.ElementDefaultClassLookup'>
        ElementDepthFirstIterator = <class 'lxml.etree.ElementDepthFirstIterator'>
        ElementNamespaceClassLookup = <class 'lxml.etree.ElementNamespaceClassLookup'>
        ElementTextIterator = <class 'lxml.etree.ElementTextIterator'>
        ElementTree = <cyfunction ElementTree at 0x7f98ce086930>
        Entity     = <cyfunction Entity at 0x7f98ce086790>
        EntityBase = <class 'lxml.etree.EntityBase'>
        Error      = <class 'lxml.etree.Error'>
        ErrorDomains = <class 'lxml.etree.ErrorDomains'>
        ErrorLevels = <class 'lxml.etree.ErrorLevels'>
        ErrorTypes = <class 'lxml.etree.ErrorTypes'>
        Extension  = <cyfunction Extension at 0x7f98cdffe5f0>
        FallbackElementClassLookup = <class 'lxml.etree.FallbackElementClassLookup'>
        FunctionNamespace = <cyfunction FunctionNamespace at 0x7f98ce088930>
        HTML       = <cyfunction HTML at 0x7f98ce086a00>
        HTMLParser = <class 'lxml.etree.HTMLParser'>
        HTMLPullParser = <class 'lxml.etree.HTMLPullParser'>
        LIBXML_COMPILED_VERSION = (2, 9, 12)
        LIBXML_VERSION = (2, 9, 12)
        LIBXSLT_COMPILED_VERSION = (1, 1, 34)
        LIBXSLT_VERSION = (1, 1, 34)
        LXML_VERSION = (4, 6, 3, 0)
        LxmlError  = <class 'lxml.etree.LxmlError'>
        LxmlRegistryError = <class 'lxml.etree.LxmlRegistryError'>
        LxmlSyntaxError = <class 'lxml.etree.LxmlSyntaxError'>
        NamespaceRegistryError = <class 'lxml.etree.NamespaceRegistryError'>
        PI         = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PIBase     = <class 'lxml.etree.PIBase'>
        ParseError = <class 'lxml.etree.ParseError'>
        ParserBasedElementClassLookup = <class 'lxml.etree.ParserBasedElementClassLookup'>
        ParserError = <class 'lxml.etree.ParserError'>
        ProcessingInstruction = <cyfunction ProcessingInstruction at 0x7f98ce0866c0>
        PyErrorLog = <class 'lxml.etree.PyErrorLog'>
        PythonElementClassLookup = <class 'lxml.etree.PythonElementClassLookup'>
        QName      = <class 'lxml.etree.QName'>
        RelaxNG    = <class 'lxml.etree.RelaxNG'>
        RelaxNGError = <class 'lxml.etree.RelaxNGError'>
        RelaxNGErrorTypes = <class 'lxml.etree.RelaxNGErrorTypes'>
        RelaxNGParseError = <class 'lxml.etree.RelaxNGParseError'>
        RelaxNGValidateError = <class 'lxml.etree.RelaxNGValidateError'>
        Resolver   = <class 'lxml.etree.Resolver'>
        Schematron = <class 'lxml.etree.Schematron'>
        SchematronError = <class 'lxml.etree.SchematronError'>
        SchematronParseError = <class 'lxml.etree.SchematronParseError'>
        SchematronValidateError = <class 'lxml.etree.SchematronValidateError'>
        SerialisationError = <class 'lxml.etree.SerialisationError'>
        SiblingsIterator = <class 'lxml.etree.SiblingsIterator'>
        SubElement = <cyfunction SubElement at 0x7f98ce086860>
        TreeBuilder = <class 'lxml.etree.TreeBuilder'>
        XInclude   = <class 'lxml.etree.XInclude'>
        XIncludeError = <class 'lxml.etree.XIncludeError'>
        XML        = <cyfunction XML at 0x7f98ce086ad0>
        XMLDTDID   = <cyfunction XMLDTDID at 0x7f98cdffd930>
        XMLID      = <cyfunction XMLID at 0x7f98cdffd860>
        XMLParser  = <class 'lxml.etree.XMLParser'>
        XMLPullParser = <class 'lxml.etree.XMLPullParser'>
        XMLSchema  = <class 'lxml.etree.XMLSchema'>
        XMLSchemaError = <class 'lxml.etree.XMLSchemaError'>
        XMLSchemaParseError = <class 'lxml.etree.XMLSchemaParseError'>
        XMLSchemaValidateError = <class 'lxml.etree.XMLSchemaValidateError'>
        XMLSyntaxAssertionError = <class 'lxml.etree.XMLSyntaxAssertionError'>
        XMLSyntaxError = <class 'lxml.etree.XMLSyntaxError'>
        XMLTreeBuilder = <class 'lxml.etree.ETCompatXMLParser'>
        XPath      = <class 'lxml.etree.XPath'>
        XPathDocumentEvaluator = <class 'lxml.etree.XPathDocumentEvaluator'>
        XPathElementEvaluator = <class 'lxml.etree.XPathElementEvaluator'>
        XPathError = <class 'lxml.etree.XPathError'>
        XPathEvalError = <class 'lxml.etree.XPathEvalError'>
        XPathEvaluator = <cyfunction XPathEvaluator at 0x7f98cdffed40>
        XPathFunctionError = <class 'lxml.etree.XPathFunctionError'>
        XPathResultError = <class 'lxml.etree.XPathResultError'>
        XPathSyntaxError = <class 'lxml.etree.XPathSyntaxError'>
        XSLT       = <class 'lxml.etree.XSLT'>
        XSLTAccessControl = <class 'lxml.etree.XSLTAccessControl'>
        XSLTApplyError = <class 'lxml.etree.XSLTApplyError'>
        XSLTError  = <class 'lxml.etree.XSLTError'>
        XSLTExtension = <class 'lxml.etree.XSLTExtension'>
        XSLTExtensionError = <class 'lxml.etree.XSLTExtensionError'>
        XSLTParseError = <class 'lxml.etree.XSLTParseError'>
        XSLTSaveError = <class 'lxml.etree.XSLTSaveError'>
        _Attrib    = <class 'lxml.etree._Attrib'>
        _BaseErrorLog = <class 'lxml.etree._BaseErrorLog'>
        _Comment   = <class 'lxml.etree._Comment'>
        _Document  = <class 'lxml.etree._Document'>
        _DomainErrorLog = <class 'lxml.etree._DomainErrorLog'>
        _Element   = <class 'lxml.etree._Element'>
        _ElementIterator = <class 'lxml.etree._ElementIterator'>
        _ElementMatchIterator = <class 'lxml.etree._ElementMatchIterator'>
        _ElementStringResult = <class 'lxml.etree._ElementStringResult'>
        _ElementTagMatcher = <class 'lxml.etree._ElementTagMatcher'>
        _ElementTree = <class 'lxml.etree._ElementTree'>
        _ElementUnicodeResult = <class 'lxml.etree._ElementUnicodeResult'>
        _Entity    = <class 'lxml.etree._Entity'>
        _ErrorLog  = <class 'lxml.etree._ErrorLog'>
        _FeedParser = <class 'lxml.etree._FeedParser'>
        _IDDict    = <class 'lxml.etree._IDDict'>
        _ListErrorLog = <class 'lxml.etree._ListErrorLog'>
        _LogEntry  = <class 'lxml.etree._LogEntry'>
        _ProcessingInstruction = <class 'lxml.etree._ProcessingInstruction'>
        _RotatingErrorLog = <class 'lxml.etree._RotatingErrorLog'>
        _SaxParserTarget = <class 'lxml.etree._SaxParserTarget'>
        _TargetParserResult = <class 'lxml.etree._TargetParserResult'>
        _Validator = <class 'lxml.etree._Validator'>
        _XPathEvaluatorBase = <class 'lxml.etree._XPathEvaluatorBase'>
        _XSLTProcessingInstruction = <class 'lxml.etree._XSLTProcessingInstruction'>
        _XSLTResultTree = <class 'lxml.etree._XSLTResultTree'>
        __all__    = ['AttributeBasedElementClassLookup',
 'C14NError',
 'C14NWriterTarget',
 'CDATA',
 'Comment',
 'CommentBase',
 'CustomElementClassLookup',
 'DEBUG',
 'DTD',
 'DTDError',
 'DTDParseError',
 'DTDValidateError',
 'DocumentInvalid',
 'ETCompatXMLParser',
 'ETXPath',
 'Element',
 'ElementBase',
 'ElementClassLookup',
 'ElementDefaultClassLookup',
 'ElementNamespaceClassLookup',
 'ElementTree',
 'Entity',
 'EntityBase',
 'Error',
 'ErrorDomains',
 'ErrorLevels',
 'ErrorTypes',
 'Extension',
 'FallbackElementClassLookup',
 'FunctionNamespace',
 'HTML',
 'HTMLParser',
 'LIBXML_COMPILED_VERSION',
 'LIBXML_VERSION',
 'LIBXSLT_COMPILED_VERSION',
 'LIBXSLT_VERSION',
 'LXML_VERSION',
 'LxmlError',
 'LxmlRegistryError',
 'LxmlSyntaxError',
 'NamespaceRegistryError',
 'PI',
 'PIBase',
 'ParseError',
 'ParserBasedElementClassLookup',
 'ParserError',
 'ProcessingInstruction',
 'PyErrorLog',
 'PythonElementClassLookup',
 'QName',
 'RelaxNG',
 'RelaxNGError',
 'RelaxNGErrorTypes',
 'RelaxNGParseError',
 'RelaxNGValidateError',
 'Resolver',
 'Schematron',
 'SchematronError',
 'SchematronParseError',
 'SchematronValidateError',
 'SerialisationError',
 'SubElement',
 'TreeBuilder',
 'XInclude',
 'XIncludeError',
 'XML',
 'XMLDTDID',
 'XMLID',
 'XMLParser',
 'XMLSchema',
 'XMLSchemaError',
 'XMLSchemaParseError',
 'XMLSchemaValidateError',
 'XMLSyntaxError',
 'XMLTreeBuilder',
 'XPath',
 'XPathDocumentEvaluator',
 'XPathError',
 'XPathEvalError',
 'XPathEvaluator',
 'XPathFunctionError',
 'XPathResultError',
 'XPathSyntaxError',
 'XSLT',
 'XSLTAccessControl',
 'XSLTApplyError',
 'XSLTError',
 'XSLTExtension',
 'XSLTExtensionError',
 'XSLTParseError',
 'XSLTSaveError',
 'canonicalize',
 'cleanup_namespaces',
 'clear_error_log',
 'dump',
 'fromstring',
 'fromstringlist',
 'get_default_parser',
 'iselement',
 'iterparse',
 'iterwalk',
 'parse',
 'parseid',
 'register_namespace',
 'set_default_parser',
 'set_element_class_lookup',
 'strip_attributes',
 'strip_elements',
 'strip_tags',
 'tostring',
 'tostringlist',
 'tounicode',
 'use_global_python_log']
        __builtins__ = <builtins>
        __doc__    = '\nThe ``lxml.etree`` module implements the extended ElementTree API for XML.\n'
        __docformat__ = 'restructuredtext en'
        __file__   = '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'
        __loader__ = <_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>
        __name__   = 'lxml.etree'
        __package__ = 'lxml'
        __pyx_capi__ = {'adoptExternalDocument': <capsule object "struct LxmlElementTree *(xmlDoc *, PyObject *, int)" at 0x7f98ce59ad50>,
 'appendChild': <capsule object "void (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e840>,
 'appendChildToElement': <capsule object "int (struct LxmlElement *, struct LxmlElement *)" at 0x7f98ce55e870>,
 'attributeValue': <capsule object "PyObject *(xmlNode *, xmlAttr *)" at 0x7f98ce55e210>,
 'attributeValueFromNsName': <capsule object "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e240>,
 'callLookupFallback': <capsule object "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a6c0>,
 'collectAttributes': <capsule object "PyObject *(xmlNode *, int)" at 0x7f98ce55e060>,
 'deepcopyNodeToDocument': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59afc0>,
 'delAttribute': <capsule object "int (struct LxmlElement *, PyObject *)" at 0x7f98ce55e150>,
 'delAttributeFromNsName': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55e3c0>,
 'documentOrRaise': <capsule object "struct LxmlDocument *(PyObject *)" at 0x7f98ce55e360>,
 'elementFactory': <capsule object "struct LxmlElement *(struct LxmlDocument *, xmlNode *)" at 0x7f98ce59a7e0>,
 'elementTreeFactory': <capsule object "struct LxmlElementTree *(struct LxmlElement *)" at 0x7f98ce59af90>,
 'findChild': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e780>,
 'findChildBackwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7e0>,
 'findChildForwards': <capsule object "xmlNode *(xmlNode *, Py_ssize_t)" at 0x7f98ce55e7b0>,
 'findOrBuildNodeNsPrefix': <capsule object "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce55ea20>,
 'getAttributeValue': <capsule object "PyObject *(struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e090>,
 'getNsTag': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e900>,
 'getNsTagWithEmptyNs': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e930>,
 'hasChild': <capsule object "int (xmlNode *)" at 0x7f98ce55e420>,
 'hasTail': <capsule object "int (xmlNode *)" at 0x7f98ce55e2d0>,
 'hasText': <capsule object "int (xmlNode *)" at 0x7f98ce55e2a0>,
 'initTagMatch': <capsule object "void (struct LxmlElementTagMatcher *, PyObject *)" at 0x7f98ce55e9f0>,
 'iteratorStoreNext': <capsule object "void (struct LxmlElementIterator *, struct LxmlElement *)" at 0x7f98ce55e9c0>,
 'iterattributes': <capsule object "PyObject *(struct LxmlElement *, int)" at 0x7f98ce55e030>,
 'lookupDefaultElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac60>,
 'lookupNamespaceElementClass': <capsule object "PyObject *(PyObject *, PyObject *, xmlNode *)" at 0x7f98ce59ac90>,
 'makeElement': <capsule object "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59a300>,
 'makeSubElement': <capsule object "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)" at 0x7f98ce59af60>,
 'namespacedName': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e960>,
 'namespacedNameFromNsName': <capsule object "PyObject *(const xmlChar *, const xmlChar *)" at 0x7f98ce55e990>,
 'newElementTree': <capsule object "struct LxmlElementTree *(struct LxmlElement *, PyObject *)" at 0x7f98ce59a330>,
 'nextElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e810>,
 'previousElement': <capsule object "xmlNode *(xmlNode *)" at 0x7f98ce55e4e0>,
 'pyunicode': <capsule object "PyObject *(const xmlChar *)" at 0x7f98ce55e8a0>,
 'rootNodeOrRaise': <capsule object "struct LxmlElement *(PyObject *)" at 0x7f98ce55e0c0>,
 'setAttributeValue': <capsule object "int (struct LxmlElement *, PyObject *, PyObject *)" at 0x7f98ce55e0f0>,
 'setElementClassLookupFunction': <capsule object "void (_element_class_lookup_function, PyObject *)" at 0x7f98ce59af30>,
 'setNodeText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e300>,
 'setTailText': <capsule object "int (xmlNode *, PyObject *)" at 0x7f98ce55e330>,
 'tagMatches': <capsule object "int (xmlNode *, const xmlChar *, const xmlChar *)" at 0x7f98ce59a780>,
 'tailOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e1b0>,
 'textOf': <capsule object "PyObject *(xmlNode *)" at 0x7f98ce55e180>,
 'utf8': <capsule object "PyObject *(PyObject *)" at 0x7f98ce55e8d0>}
        __spec__   = ModuleSpec(name='lxml.etree', loader=<_frozen_importlib_external.ExtensionFileLoader object at 0x7f98ce573d00>, origin='/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so')
        __test__   = {'FunctionNamespace (line 207)': 'FunctionNamespace(ns_uri)\n'
                                 '\n'
                                 '    Retrieve the function namespace object '
                                 'associated with the given\n'
                                 '    URI.\n'
                                 '\n'
                                 '    Creates a new one if it does not yet '
                                 'exist. A function namespace\n'
                                 '    can only be used to register extension '
                                 'functions.\n'
                                 '\n'
                                 '    Usage:\n'
                                 '\n'
                                 '    >>> ns_functions = '
                                 'FunctionNamespace("http://schema.org/Movie")\n'
                                 '\n'
                                 '    >>> @ns_functions  # uses function name\n'
                                 '    ... def add2(x):\n'
                                 '    ...     return x + 2\n'
                                 '\n'
                                 '    >>> @ns_functions("add3")  # uses '
                                 'explicit name\n'
                                 '    ... def add_three(x):\n'
                                 '    ...     return x + 3\n'
                                 '    ',
 'XML (line 3191)': 'XML(text, parser=None, base_url=None)\n'
                    '\n'
                    '    Parses an XML document or fragment from a string '
                    'constant.\n'
                    '    Returns the root node (or the result returned by a '
                    'parser target).\n'
                    '    This function can be used to embed "XML literals" in '
                    'Python code,\n'
                    '    like in\n'
                    '\n'
                    '       >>> root = XML("<root><test/></root>")\n'
                    '       >>> print(root.tag)\n'
                    '       root\n'
                    '\n'
                    '    To override the parser with a different ``XMLParser`` '
                    'you can pass it to\n'
                    '    the ``parser`` keyword argument.\n'
                    '\n'
                    '    The ``base_url`` keyword argument allows to set the '
                    'original base URL of\n'
                    '    the document to support relative Paths when looking '
                    'up external entities\n'
                    '    (DTD, XInclude, ...).\n'
                    '    '}
        __version__ = '4.6.3'
        adopt_external_document = <cyfunction adopt_external_document at 0x7f98ce087380>
        canonicalize = <cyfunction canonicalize at 0x7f98cdfdc790>
        cleanup_namespaces = <cyfunction cleanup_namespaces at 0x7f98cdffe2b0>
        clear_error_log = <cyfunction clear_error_log at 0x7f98ce07a110>
        dump       = <cyfunction dump at 0x7f98ce086ee0>
        fromstring = <cyfunction fromstring at 0x7f98ce086ba0>
        fromstringlist = <cyfunction fromstringlist at 0x7f98ce086c70>
        get_default_parser = <cyfunction get_default_parser at 0x7f98cdfdaad0>
        htmlfile   = <class 'lxml.etree.htmlfile'>
        indent     = <cyfunction indent at 0x7f98ce086e10>
        iselement  = <cyfunction iselement at 0x7f98ce086d40>
        iterparse  = <class 'lxml.etree.iterparse'>
        iterwalk   = <class 'lxml.etree.iterwalk'>
        memory_debugger = <lxml.etree._MemDebug object at 0x7f98cf645ee0>
        open       = <built-in function open>
        parse      = <cyfunction parse at 0x7f98ce0872b0>
        parseid    = <cyfunction parseid at 0x7f98cdffda00>
        register_namespace = <cyfunction register_namespace at 0x7f98ce07a040>
        set_default_parser = <cyfunction set_default_parser at 0x7f98cdfdaa00>
        set_element_class_lookup = <cyfunction set_element_class_lookup at 0x7f98ce088380>
        strip_attributes = <cyfunction strip_attributes at 0x7f98cdffe380>
        strip_elements = <cyfunction strip_elements at 0x7f98cdffe450>
        strip_tags = <cyfunction strip_tags at 0x7f98cdffe520>
        tostring   = <cyfunction tostring at 0x7f98ce087040>
        tostringlist = <cyfunction tostringlist at 0x7f98ce087110>
        tounicode  = <cyfunction tounicode at 0x7f98ce0871e0>
        use_global_python_log = <cyfunction use_global_python_log at 0x7f98ce07f1e0>
        xmlfile    = <class 'lxml.etree.xmlfile'>
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

    """CSS Selectors based on XPath.
    
    This module supports selecting XML/HTML tags based on CSS selectors.
    See the `CSSSelector` class for details.
    
    This is a thin wrapper around cssselect 0.7 or later.
    """
    
    from __future__ import absolute_import
    
    from . import etree
    try:
        import cssselect as external_cssselect
    except ImportError:
>       raise ImportError(
            'cssselect does not seem to be installed. '
            'See http://packages.python.org/cssselect/')
E       ImportError: cssselect does not seem to be installed. See http://packages.python.org/cssselect/

__builtins__ = <builtins>
__cached__ = '/usr/lib/python3.8/site-packages/lxml/__pycache__/cssselect.cpython-38.pyc'
__doc__    = ('CSS Selectors based on XPath.\n'
 '\n'
 'This module supports selecting XML/HTML tags based on CSS selectors.\n'
 'See the `CSSSelector` class for details.\n'
 '\n'
 'This is a thin wrapper around cssselect 0.7 or later.\n')
__file__   = '/usr/lib/python3.8/site-packages/lxml/cssselect.py'
__loader__ = <_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf2e5e0>
__name__   = 'lxml.cssselect'
__package__ = 'lxml'
__spec__   = ModuleSpec(name='lxml.cssselect', loader=<_frozen_importlib_external.SourceFileLoader object at 0x7f98cdf2e5e0>, origin='/usr/lib/python3.8/site-packages/lxml/cssselect.py')
absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0), 262144)
etree      = <module 'lxml.etree' from '/usr/lib/python3.8/site-packages/lxml/etree.cpython-38-x86_64-linux-gnu.so'>

/usr/lib/python3.8/site-packages/lxml/cssselect.py:15: ImportError
=============================== warnings summary ===============================
leather/series/base.py:3
leather/series/base.py:3
leather/series/base.py:3
  /var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3/leather/series/base.py:3: DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated since Python 3.3, and in 3.10 it will stop working

-- Docs: https://docs.pytest.org/en/stable/warnings.html
=========================== short test summary info ============================
FAILED tests/test_axis.py::TestChart::test_tick_formatter - ImportError: csss...
FAILED tests/test_axis.py::TestChart::test_ticks - ImportError: cssselect doe...
FAILED tests/test_chart.py::TestChart::test_add_axes - ImportError: cssselect...
FAILED tests/test_chart.py::TestChart::test_add_scales - ImportError: csssele...
FAILED tests/test_chart.py::TestChart::test_multiple_series - ImportError: cs...
FAILED tests/test_chart.py::TestChart::test_set_axes - ImportError: cssselect...
FAILED tests/test_chart.py::TestChart::test_set_scales - ImportError: csssele...
FAILED tests/test_chart.py::TestChart::test_single_series - ImportError: csss...
FAILED tests/test_chart.py::TestChart::test_unicode - ImportError: cssselect ...
FAILED tests/test_grid.py::TestGrid::test_add_many - ImportError: cssselect d...
FAILED tests/test_grid.py::TestGrid::test_add_one - ImportError: cssselect do...
FAILED tests/test_lattice.py::TestLattice::test_add_many - ImportError: cssse...
FAILED tests/test_lattice.py::TestLattice::test_add_one - ImportError: csssel...
FAILED tests/test_lattice.py::TestLattice::test_bars - ImportError: cssselect...
FAILED tests/test_lattice.py::TestLattice::test_bars_different - ImportError:...
================== 15 failed, 55 passed, 3 warnings in 0.48s ===================
 * ERROR: dev-python/leather-0.3.3-r1::gentoo failed (test phase):
 *   pytest failed with python3.8
 * 
 * Call stack:
 *     ebuild.sh, line  127:  Called src_test
 *   environment, line 2896:  Called distutils-r1_src_test
 *   environment, line 1244:  Called _distutils-r1_run_foreach_impl 'python_test'
 *   environment, line  499:  Called python_foreach_impl 'distutils-r1_run_phase' 'python_test'
 *   environment, line 2572:  Called multibuild_foreach_variant '_python_multibuild_wrapper' 'distutils-r1_run_phase' 'python_test'
 *   environment, line 2046:  Called _multibuild_run '_python_multibuild_wrapper' 'distutils-r1_run_phase' 'python_test'
 *   environment, line 2044:  Called _python_multibuild_wrapper 'distutils-r1_run_phase' 'python_test'
 *   environment, line  801:  Called distutils-r1_run_phase 'python_test'
 *   environment, line 1183:  Called python_test
 *   environment, line 2856:  Called distutils-r1_python_test
 *   environment, line 1140:  Called epytest
 *   environment, line 1567:  Called die
 * The specific snippet of code:
 *       "${@}" || die -n "pytest failed with ${EPYTHON}";
 * 
 * If you need support, post the output of `emerge --info '=dev-python/leather-0.3.3-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-python/leather-0.3.3-r1::gentoo'`.
 * The complete build log is located at '/var/log/emerge-log/build/dev-python/leather-0.3.3-r1:20210622-030143.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-python/leather-0.3.3-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-python/leather-0.3.3-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3'
 * S: '/var/tmp/portage/dev-python/leather-0.3.3-r1/work/leather-0.3.3'