Log Message:
py-channels: updated to 2.1.2

2.1.2:
* AsyncHttpConsumer now has a disconnect() method you can override
* Session and authentication middleware is now non-blocking.
* URL routing context now includes default arguments from the URLconf.
* The FORCE_SCRIPT_NAME setting is now respected in ASGI mode.
* ALLOWED_HOSTS is now set correctly during LiveServerTests.