Mode is not ready for python 3.10

[taybin]

Mode uses several deprecated function parameters that are scheduled to be removed in Python 3.10.

Specifically, the loop argument is deprecated for asyncio.Event, asyncio.Queue, asyncio.wait, and asyncio.wait_for.

[taybin]

Tracking and fixing in #11

[taybin]

Mode now works with python-3.10 as #11 was merged in.