End of story,
after removing everything, I re-installed plugin but updating all the dependencies.
I used python-miio == 0.5.3
If that helps, there is a clear tutorial at the following address:

https://ehoco.nl/roborock-vacuum-cleane ... -domoticz/

Hello everyone again,
I found a little thing on the french domoticz forum to test the ip and the token.
Apparently I have a return, which confirms that the information entered is correct.
The problem therefore comes from elsewhere.
If you have any ideas ... I'm interested!
thank you in advance ...

Hello,
i just tested the plug-in with my xiaomi mi robot V1.
Everything appears fine in domoticz, but no action works and the levels remain at 0 (battery for example).
I am using the latest stable version of Domoticz.

When I run the following test command, it hangs on: Test: reading response

sudo ...