pytest 3.0.4 has just been released to PyPI.
This release fixes some regressions and bugs reported in the last version, being a drop-in replacement. To upgrade:
pip install --upgrade pytest
The changelog is available at http://doc.pytest.org/en/stable/changelog.html.
Thanks to all who contributed to this release, among them:
Jason R. Coombs
Happy testing, The pytest Development Team