The ebuild has ">=dev-python/incremental-16.10.1[${PYTHON_USEDEP}]" in DEPEND, but not RDEPEND, so it's not pulled in for binary packages: > * python2_7: running python_postinst > Traceback (most recent call last): > File "/usr/lib/python-exec/python2.7/twisted-regen-cache", line 13, in <module> > from twisted.plugin import getPlugins, IPlugin > File "/usr/lib64/python2.7/site-packages/twisted/__init__.py", line 23, in <module> > from twisted._version import __version__ as version > File "/usr/lib64/python2.7/site-packages/twisted/_version.py", line 8, in <module> > from incremental import Version > ImportError: No module named incremental > * ERROR: dev-python/twisted-16.6.0-r2::gentoo failed (postinst phase): > * (no error message) > * > * Call stack: > * ebuild.sh, line 115: Called pkg_postinst > * environment, line 3238: Called python_foreach_impl 'python_postinst' > * environment, line 3907: Called multibuild_foreach_variant '_python_multibuild_wrapper' 'python_postinst' > * environment, line 2900: Called _multibuild_run '_python_multibuild_wrapper' 'python_postinst' > * environment, line 2898: Called _python_multibuild_wrapper 'python_postinst' > * environment, line 710: Called python_postinst > * environment, line 4208: Called die > * The specific snippet of code: > * twisted-regen-cache || die
Fixed in commit: a82d114183b2b95bee1deef5fd0de54fdd8e953c
