As asked by its setup.py file, pytest-cache should depend on execnet>=1.1. Without execnet, pytest fails (at least) when pytest-isort is installed and when "py.test --isort" is launched.
Can I help anyone to solve this bug?
commit e13986a5fe699f96813b6f5f76bc09de3d15cb5b Author: Michał Górny <mgorny@gentoo.org> AuthorDate: Mon May 22 09:43:22 2017 Commit: Michał Górny <mgorny@gentoo.org> CommitDate: Mon May 22 11:12:25 2017 dev-python/pytest-cache: Add missing dev-python/execnet dep, #588676