Hi! It came to my attention that ./setup.py test is broken for gentoolkit because it runs this broken import: from snakeoil import distutils_extensions and dev-python/snakeoil does not contain that module any more. For a fix, one could port setup.py from distutils to setuptools, including existing custom commands "test" and "set_version". This ticket/comment is related: https://github.com/pkgcore/pkgdist/issues/1#issuecomment-357096732
Fixed in https://gitweb.gentoo.org/proj/gentoolkit.git/commit/?id=31706fd222edc7e75cb051012dab644e88537ea9