pytest 4.6.6 has just been released to PyPI. Backport of bug fixes for the last version to support Python 2.7 and 3.4, being a drop-in replacement. To upgrade:: pip install --upgrade pytest The full changelog is available at https://docs.pytest.org/en/4.6-maintenance/changelog.html Thanks to all who contributed to this release, among them: * Anthony Sottile * Bruno Oliveira * Michael Goerz Happy testing, The pytest Development Team