See the 4.3 change log here:
https://github.com/weewx/weewx/releases
The WMR200 driver is no longer supported. An unsupported version can be found
at https://github.com/weewx/weewx-wmr200. Support for LaCrosse WS23xx and
Oregon WMR300 will continue.
> On Jan 20, 2021, at 1:46 PM, Invisible Man
Hey! What's happening?! I've upgraded weewx 4.2.0 to 4.3.0 (on a Raspberry
Pi) and I get this error !
```
Jan 20 22:33:39 vegan python2[6532]: weewx[6532] INFO __main__:
Initializing weewx version 4.3.0
Jan 20 22:33:39 vegan python2[6532]: weewx[6532] INFO __main__: Using
Python 2.7.16