* python3_7: running distutils-r1_run_phase distutils-r1_python_compile
python3.7 setup.py build -j 33
Traceback (most recent call last):
  File "setup.py", line 91, in <module>
    from ipykernel.kernelspec import write_kernel_spec, make_ipkernel_cmd, KERNEL_NAME
  File "/var/tmp/portage/dev-python/ipykernel-4.6.1-r2/work/ipykernel-4.6.1/ipykernel/__init__.py", line 2, in <module>
    from .connect import *
  File "/var/tmp/portage/dev-python/ipykernel-4.6.1-r2/work/ipykernel-4.6.1/ipykernel/connect.py", line 13, in <module>
    from IPython.core.profiledir import ProfileDir
  File "/usr/lib/python3.7/site-packages/IPython/__init__.py", line 48, in <module>
    from .core.application import Application
  File "/usr/lib/python3.7/site-packages/IPython/core/application.py", line 25, in <module>
    from IPython.core import release, crashhandler
  File "/usr/lib/python3.7/site-packages/IPython/core/crashhandler.py", line 28, in <module>
    from IPython.core import ultratb
  File "/usr/lib/python3.7/site-packages/IPython/core/ultratb.py", line 124, in <module>
    from IPython.utils import path as util_path
  File "/usr/lib/python3.7/site-packages/IPython/utils/path.py", line 18, in <module>
    from IPython.utils.process import system
  File "/usr/lib/python3.7/site-packages/IPython/utils/process.py", line 19, in <module>
    from ._process_posix import system, getoutput, arg_split, check_pid
  File "/usr/lib/python3.7/site-packages/IPython/utils/_process_posix.py", line 24, in <module>
    import pexpect
  File "/usr/lib/python3.7/site-packages/pexpect/__init__.py", line 75, in <module>
    from .pty_spawn import spawn, spawnu
  File "/usr/lib/python3.7/site-packages/pexpect/pty_spawn.py", line 14, in <module>
    from .spawnbase import SpawnBase
  File "/usr/lib/python3.7/site-packages/pexpect/spawnbase.py", line 224
    def expect(self, pattern, timeout=-1, searchwindowsize=-1, async=False):
                                                                   ^
SyntaxError: invalid syntax
 * ERROR: dev-python/ipykernel-4.6.1-r2::gentoo failed (compile phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line  124:  Called src_compile
 *   environment, line 2636:  Called distutils-r1_src_compile
 *   environment, line  826:  Called _distutils-r1_run_foreach_impl 'distutils-r1_python_compile'
 *   environment, line  341:  Called python_foreach_impl 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line 2180:  Called multibuild_foreach_variant '_python_multibuild_wrapper' 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line 1540:  Called _multibuild_run '_python_multibuild_wrapper' 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line 1538:  Called _python_multibuild_wrapper 'distutils-r1_run_phase' 'distutils-r1_python_compile'
 *   environment, line  544:  Called distutils-r1_run_phase 'distutils-r1_python_compile'
 *   environment, line  817:  Called distutils-r1_python_compile
 *   environment, line  687:  Called esetup.py 'build' '-j' '33'
 *   environment, line 1085:  Called die
 * The specific snippet of code:
 *       "${@}" || die "${die_args[@]}";
 * 
 * If you need support, post the output of `emerge --info '=dev-python/ipykernel-4.6.1-r2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-python/ipykernel-4.6.1-r2::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/dev-python/ipykernel-4.6.1-r2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-python/ipykernel-4.6.1-r2/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-python/ipykernel-4.6.1-r2/work/ipykernel-4.6.1'
 * S: '/var/tmp/portage/dev-python/ipykernel-4.6.1-r2/work/ipykernel-4.6.1'