pytest issue tracker to report bugs or suggest features (for version 2.0 and above).
pytest discussions at github for general questions.
pytest discord server for pytest development visibility and general assistance.
pytest on stackoverflow.com to post precise questions with the tag
pytest. New Questions will usually be seen by pytest users or developers and answered quickly.
Testing In Python: a mailing list for Python testing tools and discussion.
pytest-dev at python.org (mailing list) pytest specific announcements and discussions.
contribution guide for help on submitting pull requests to GitHub.
private mail to Holger.Krekel at gmail com if you want to communicate sensitive issues
merlinux.eu offers pytest and tox-related professional teaching and consulting.