* python3_5: running distutils-r1_run_phase python_compile_all make -j3 -C docs html make: Entering directory '/var/tmp/portage/dev-python/pillow-3.4.2-r1/work/Pillow-3.4.2-python3_5/docs' sphinx-build -b html -d _build/doctrees . _build/html Running Sphinx v1.3.5 .... /var/tmp/portage/dev-python/pillow-3.4.2-r1/work/Pillow-3.4.2-python3_5/docs/reference/plugins.rst:307: WARNING: autodoc: failed to import module 'PIL.WebPImagePlugin'; the following exception was raised: Traceback (most recent call last): File "/usr/lib/python3.5/site-packages/sphinx/ext/autodoc.py", line 385, in import_object __import__(self.modname) File "/var/tmp/portage/dev-python/pillow-3.4.2-r1/work/Pillow-3.4.2-python3_5/build/lib/PIL/WebPImagePlugin.py", line 4, in <module> from PIL import _webp ImportError: cannot import name '_webp' looking for now-outdated files... none found pickling environment... done checking consistency... done preparing documents... done writing output... [ 1%] PIL writing output... [ 3%] about writing output... [ 5%] handbook/appendices writing output... [ 7%] handbook/concepts writing output... [ 9%] handbook/image-file-formats writing output... [ 11%] handbook/index writing output... [ 13%] handbook/overview writing output... [ 15%] handbook/tutorial writing output... [ 17%] handbook/writing-your-own-file-decoder writing output... [ 19%] index Exception occurred: File "/usr/lib/python3.5/site-packages/docutils/writers/_html_base.py", line 671, in depart_document assert not self.context, 'len(context) = %s' % len(self.context) AssertionError: len(context) = 4 elrond ~ # emerge -pqv '=dev-python/pillow-3.4.2-r1::gentoo' [ebuild R ] dev-python/pillow-3.4.2-r1 USE="doc* jpeg lcms tiff tk truetype zlib -examples -jpeg2k {-test} -webp" PYTHON_TARGETS="python2_7 python3_5 -pypy -python3_4" elrond ~ # emerge --info '=dev-python/pillow-3.4.2-r1::gentoo' Portage 2.3.3 (python 3.5.2-final-0, default/linux/x86/13.0/desktop/plasma, gcc-5.3.0, glibc-2.23-r3, 4.4.0-gentoo i686) ================================================================= System Settings ================================================================= System uname: Linux-4.4.0-gentoo-i686-Pentium-R-_Dual-Core_CPU_E5300_@_2.60GHz-with-gentoo-2.3 KiB Mem: 2061152 total, 600140 free KiB Swap: 2088412 total, 1701896 free Timestamp of repository gentoo: Tue, 20 Dec 2016 12:45:01 +0000 sh bash 4.4_p5-r1 ld GNU ld (Gentoo 2.27 p1.0) 2.27 app-shells/bash: 4.4_p5-r1::gentoo dev-java/java-config: 2.2.0-r3::gentoo dev-lang/perl: 5.24.1_rc4::gentoo dev-lang/python: 2.7.12::gentoo, 3.5.2::gentoo dev-util/cmake: 3.7.1::gentoo dev-util/pkgconfig: 0.29.1::gentoo sys-apps/baselayout: 2.3::gentoo sys-apps/openrc: 0.22.4::gentoo sys-apps/sandbox: 2.10-r2::gentoo sys-devel/autoconf: 2.13::gentoo, 2.69-r2::gentoo sys-devel/automake: 1.9.6-r3::gentoo, 1.10.3::gentoo, 1.11.6::gentoo, 1.12.6::gentoo, 1.13.4::gentoo, 1.14.1-r1::gentoo, 1.15-r2::gentoo sys-devel/binutils: 2.27::gentoo sys-devel/gcc: 4.9.3::gentoo, 5.3.0::gentoo, 5.4.0::gentoo sys-devel/gcc-config: 1.8-r1::gentoo sys-devel/libtool: 2.4.6-r2::gentoo sys-devel/make: 4.2.1::gentoo sys-kernel/linux-headers: 4.9::gentoo (virtual/os-headers) sys-libs/glibc: 2.23-r3::gentoo Repositories: gentoo location: /usr/portage sync-type: rsync sync-uri: rsync://rsync.europe.gentoo.org/gentoo-portage priority: -1000 lisp location: /var/lib/layman/lisp sync-type: git sync-uri: git://anongit.gentoo.org/proj/lisp.git masters: gentoo priority: 50 science location: /var/lib/layman/science sync-type: git sync-uri: git://anongit.gentoo.org/proj/sci.git masters: gentoo priority: 50 grozin location: /usr/local/portage masters: gentoo priority: 60 ACCEPT_KEYWORDS="x86 ~x86" ACCEPT_LICENSE="*" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=native -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/lib/libreoffice/program/sofficerc /usr/share/config /usr/share/gnupg/qualified.txt /var/lib/hsqldb" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php7.1/ext-active/ /etc/php/cgi-php7.1/ext-active/ /etc/php/cli-php7.1/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c" CXXFLAGS="-O2 -march=native -pipe" DISTDIR="/usr/portage/distfiles" FCFLAGS="-O2 -march=i686 -pipe" FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms sign strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O2 -march=native -pipe" GENTOO_MIRRORS="ftp://sunsite.informatik.rwth-aachen.de/pub/Linux/gentoo" LANG="ru_RU.utf8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="-j3" PKGDIR="/usr/portage/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="X a52 aac acpi alsa bash-completion berkdb blas bluetooth boehm-gc branding bzip2 cairo cdda cdr consolekit cracklib crypt css cups curl cxx dbus declarative doc dri dvd dvdr emacs enca encode exif fam fftw firefox flac fltk fortran gd gdbm gif glamor gmp gpm gsl gtk iconv imagemagick jpeg kde kipi kpathsea lapack latex lcms ldap leim libnotify lzma mad mng modules mozilla mp3 mp4 mpeg mule ncurses nls nptl offensive ogg opengl openmp pam pango pcre pdf phonon plasma plotutils png policykit ppds python qml qt3support qt4 qt5 readline sdl seccomp semantic-desktop session spell ssl startup-notification svg tcl tcpd tiff tk truetype udev udisks umfpack unicode upower usb vorbis widgets wxwidgets x264 x86 xattr xcb xcomposite xinerama xml xscreensaver xv xvid zlib" ABI_X86="32" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1 emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="mmx mmxext sse sse2 sse3 ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="evdev" KERNEL="linux" L10N="ru en" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="ru en" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-6" PYTHON_SINGLE_TARGET="python3_5" PYTHON_TARGETS="python2_7 python3_5" RUBY_TARGETS="ruby22 ruby23" USERLAND="GNU" VIDEO_CARDS="intel" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" USE_PYTHON="2.7" Unset: CC, CPPFLAGS, CTARGET, CXX, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS ================================================================= Package Settings ================================================================= dev-python/pillow-3.4.2-r1::gentoo was built with the following: USE="jpeg lcms tiff tk truetype zlib -doc -examples -jpeg2k -test -webp" PYTHON_TARGETS="python2_7 python3_5 -pypy -python3_4"
I just encountered this bug, as well.
I could not manage to reproduce this and I've tried many combinations of pillow/docutils/sphinx versions. Could you please confirm that the failure still happens on an up-to-date environment?
It now works for me, too.
