The pytest team is proud to announce the 4.0.0 release!

pytest is a mature Python testing tool with more than 2000 tests against itself, passing on many different interpreters and platforms.

This release contains a number of bugs fixes and improvements, so users are encouraged to take a look at the CHANGELOG:

For complete documentation, please visit:

As usual, you can upgrade from pypi via:

pip install -U pytest

Thanks to all who contributed to this release, among them:

  • Bruno Oliveira

  • Daniel Hahler

  • Ronny Pfannschmidt

Happy testing, The Pytest Development Team