sys-libs/libblockdev-2.12[-python] installs /usr/$(get_libdir)/pythonX.Y/site-packages/gi/overrides/BlockDev.py (e.g. /usr/lib64/python3.6/site-packages/gi/overrides/BlockDev.py).
commit 6ae4a51986ef113810101e7bb79ae38bb0ed427c (HEAD -> master, origin/master, origin/HEAD) Author: Lars Wendler <polynomial-c@gentoo.org> Date: Wed Sep 6 00:39:29 2017 sys-libs/libblockdev: python is non-optional (bug #629768). Package-Manager: Portage-2.3.8, Repoman-2.3.3