pyserial-asyncio is deprecated, and will be blocked in Home Assistant

[epenet]

It should be replaced by pyserial-asyncio-fast: https://github.com/home-assistant-libs/pyserial-asyncio-fast

See home-assistant/developers.home-assistant#2894 and home-assistant/core#116635

[snarby2013]

I just changed line 7 in manifest.json to :
"pyserial-asyncio-fast",
and the notice has gone