Happen to be looking in the logs in my docker container for hass and noticed these. My xiaomi smart sockets appear to be working ok, Just wanted to inform whoever looks after this component in case it breaks in future.
/usr/src/app/homeassistant/components/switch/xiaomi_miio.py:149: DeprecationWarning: Call to deprecated class Plug (This device class is deprecated. Please use the ChuangmiPlug class in future and select a model by parameter ‘model’.).
plug = Plug(host, token)
/usr/src/app/homeassistant/components/switch/xiaomi_miio.py:149: DeprecationWarning: Call to deprecated class Plug (This device class is deprecated. Please use the ChuangmiPlug class in future and select a model by parameter ‘model’.).
plug = Plug(host, token)