Deprecation warning in Python 3.8 turns into error in Python 3.10
On python 3.8.10 :
wsgiserver.py:1680: DeprecationWarning: isAlive() is deprecated, use is_alive() instead
On python 3.10.2 :
f worker is not current and worker.isAlive():
E AttributeError: 'WorkerThread' object has no attribute 'isAlive'
.venv/lib/python3.10/site-packages/wsgiserver.py:1680: AttributeError