old_contents: """Sensors flow for Withings."""
  from __future__ import annotations
  
  from homeassistant.components.sensor import DOMAIN as SENSOR_DOMAIN, SensorEntity
  from homeassistant.config_entries import ConfigEntry
  from homeassistant.core import HomeAssistant
  from homeassistant.helpers.entity_platform import AddEntitiesCallback
  
  from .common import BaseWithingsSensor, async_create_entities
  
  
  async def async_setup_entry(
      hass: HomeAssistant,
      entry: ConfigEntry,
      async_add_entities: AddEntitiesCallback,
  ) -> None:
      """Set up the sensor config entry."""
      entities = await async_create_entities(
          hass,
          entry,
          WithingsHealthSensor,
          SENSOR_DOMAIN,
      )
  
      async_add_entities(entities, True)
  
  
  class WithingsHealthSensor(BaseWithingsSensor, SensorEntity):
      """Implementation of a Withings sensor."""
  
      @property
      def native_value(self) -> None | str | int | float:
          """Return the state of the entity."""
          return self._state_data
  
      @property
      def native_unit_of_measurement(self) -> str:
          """Return the unit of measurement of this entity, if any."""
          return self._attribute.unit_of_measurement
  
new_contents: """Sensors flow for Withings."""
  from __future__ import annotations
  
  from homeassistant.components.sensor import (
      DOMAIN as SENSOR_DOMAIN,
      SensorEntity,
      SensorStateClass,
  )
  from homeassistant.config_entries import ConfigEntry
  from homeassistant.core import HomeAssistant
  from homeassistant.helpers.entity_platform import AddEntitiesCallback
  
  from .common import BaseWithingsSensor, async_create_entities
  
  
  async def async_setup_entry(
      hass: HomeAssistant,
      entry: ConfigEntry,
      async_add_entities: AddEntitiesCallback,
  ) -> None:
      """Set up the sensor config entry."""
      entities = await async_create_entities(
          hass,
          entry,
          WithingsHealthSensor,
          SENSOR_DOMAIN,
      )
  
      async_add_entities(entities, True)
  
  
  class WithingsHealthSensor(BaseWithingsSensor, SensorEntity):
      """Implementation of a Withings sensor."""
  
      @property
      def native_value(self) -> None | str | int | float:
          """Return the state of the entity."""
          return self._state_data
  
      @property
      def native_unit_of_measurement(self) -> str:
          """Return the unit of measurement of this entity, if any."""
          return self._attribute.unit_of_measurement
  
      @property
      def state_class(self) -> str:
          """Return the state_class of this entity, if any."""
          return SensorStateClass.MEASUREMENT
  
subject: Add long term stats support to Withings sensors (#74829)