The second URL of dev-python/pytest-xdist has a "2" too much, correct URL should be https://github.com/pytest-dev/pytest-xdist
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b3fd63db515b7dd865a8223361df12b05a373e31 commit b3fd63db515b7dd865a8223361df12b05a373e31 Author: Mike Frysinger <vapier@gentoo.org> Date: Fri Feb 17 14:15:57 2017 -0500 dev-python/pytest-xdist: fix typo in HOMEPAGE dev-python/pytest-xdist/pytest-xdist-1.14-r1.ebuild | 2 +- dev-python/pytest-xdist/pytest-xdist-1.14.ebuild | 2 +- dev-python/pytest-xdist/pytest-xdist-1.15.0.ebuild | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-)