So, our sklearn comes unbundled, but the ebuild does not sed the cross_validation.py module, which is looking for a bundled joblib. I fixed this here: https://github.com/gentoo/gentoo/pull/2065 Can you please pull? It seems like nobody is watching the PRs on GitHub..
commit 0e8483cf1fe8b3776bd29f6c056764d3e95cfa6d Author: Horea Christian <horea.christ@yandex.com> Date: 2016-08-11 04:57:05 +0200 sci-libs/scikits_learn: using system joblib for cross_validation module Package-Manager: portage-2.3.0 Closes: https://github.com/gentoo/gentoo/pull/2065 Signed-off-by: David Seifert <soap@gentoo.org>