avoid typing_extensions 3.10.0.1
That specific version has a bug on Python 3.10
See
@@ -51,3 +51,4 @@ structlog
pytest-asyncio==0.15.1 ; python_version >= '3.7'
asynctest==0.13.0 ; python_version >= '3.7'
+typing_extensions!=3.10.0.1 ; python_version >= '3.10' # see https://github.com/python/typing/issues/865
