text: """Sensor platform for Wellbeing."""
  from typing import cast
  
  from .api import ApplianceSensor
  from .const import DEFAULT_NAME
  from .const import DOMAIN
  from .const import ICON
  from .const import SENSOR
  from .entity import WellbeingEntity
  
  
  async def async_setup_entry(hass, entry, async_add_devices):
      """Setup sensor platform."""
      coordinator = hass.data[DOMAIN][entry.entry_id]
      appliances = coordinator.data.get('appliances', None)
  
      if appliances is not None:
          for pnc_id, appliance in appliances.appliances.items():
              async_add_devices(
                  [
                      WellbeingSensor(coordinator, entry, pnc_id, entity.entity_type, entity.attr)
                      for entity in appliance.entities if entity.entity_type == SENSOR
                  ]
              )
  
  
  class WellbeingSensor(WellbeingEntity):
      """wellbeing Sensor class."""
  
      @property
      def state(self):
          """Return the state of the sensor."""
          return self.get_entity.state
  
      @property
      def unit_of_measurement(self):
          return cast(ApplianceSensor, self.get_entity).unit
  
  