Currently pytest version 9 is not supported https://github.com/pytest-dev/pytest-asyncio/blob/03dd96ab511373f372675147dbf31c5479634715/pyproject.toml#L45 pytest [9.0.0 release notes](https://github.com/pytest-dev/pytest/releases/tag/9.0.0)
Currently pytest version 9 is not supported
pytest-asyncio/pyproject.toml
Line 45 in 03dd96a
pytest 9.0.0 release notes