Warnings in 2021.12

[nagyrobi]

2021-12-13 14:23:41 WARNING (MainThread) [homeassistant.helpers.frame] Detected integration that called async_timeout.timeout with loop keyword argument. The loop keyword argument is deprecated and calls will fail after Home Assistant 2022.2. Please report issue to the custom component author for local_luftdaten using this method at custom_components/local_luftdaten/sensor.py, line 163: with async_timeout.timeout(30, loop=self._loop):
2021-12-13 14:23:42 WARNING (MainThread) [homeassistant.components.sensor] sensor.router_system_boottime is providing a string for its state, while the device class is 'timestamp', this is not valid and will be unsupported from Home Assistant 2022.2. Please report it to the custom component author.

[lichtteil]

Thank you for reporting this. I will have a look at it.