from setup.cfg: enum34; python_version<"3.4" I suspect this has not been a problem for most users as another package has probably already pulled dev-python/enum34 onto their system. Reproducible: Always
commit a109f9d56891f4c943e96dc3cb1820192457484d Author: David Seifert <soap@gentoo.org> Date: Sat Jan 21 01:39:26 2017 +0100 dev-python/flake8: Version bump to 3.2.1 Gentoo-bug: 602654