old_contents: """Support for Goal Zero Yeti Sensors."""
  from __future__ import annotations
  
  from homeassistant.components.sensor import ATTR_LAST_RESET, ATTR_STATE_CLASS
  from homeassistant.const import (
      ATTR_DEVICE_CLASS,
      ATTR_NAME,
      ATTR_UNIT_OF_MEASUREMENT,
      CONF_NAME,
  )
  
  from . import YetiEntity
  from .const import (
      ATTR_DEFAULT_ENABLED,
      DATA_KEY_API,
      DATA_KEY_COORDINATOR,
      DOMAIN,
      SENSOR_DICT,
  )
  
  
  async def async_setup_entry(hass, entry, async_add_entities):
      """Set up the Goal Zero Yeti sensor."""
      name = entry.data[CONF_NAME]
      goalzero_data = hass.data[DOMAIN][entry.entry_id]
      sensors = [
          YetiSensor(
              goalzero_data[DATA_KEY_API],
              goalzero_data[DATA_KEY_COORDINATOR],
              name,
              sensor_name,
              entry.entry_id,
          )
          for sensor_name in SENSOR_DICT
      ]
      async_add_entities(sensors, True)
  
  
  class YetiSensor(YetiEntity):
      """Representation of a Goal Zero Yeti sensor."""
  
      def __init__(self, api, coordinator, name, sensor_name, server_unique_id):
          """Initialize a Goal Zero Yeti sensor."""
          super().__init__(api, coordinator, name, server_unique_id)
          self._condition = sensor_name
          sensor = SENSOR_DICT[sensor_name]
          self._attr_device_class = sensor.get(ATTR_DEVICE_CLASS)
          self._attr_entity_registry_enabled_default = sensor.get(ATTR_DEFAULT_ENABLED)
          self._attr_last_reset = sensor.get(ATTR_LAST_RESET)
          self._attr_name = f"{name} {sensor.get(ATTR_NAME)}"
          self._attr_native_unit_of_measurement = sensor.get(ATTR_UNIT_OF_MEASUREMENT)
          self._attr_state_class = sensor.get(ATTR_STATE_CLASS)
          self._attr_unique_id = f"{server_unique_id}/{sensor_name}"
  
      @property
      def native_value(self) -> str | None:
          """Return the state."""
          if self.api.data:
              return self.api.data.get(self._condition)
          return None
  
new_contents: """Support for Goal Zero Yeti Sensors."""
  from __future__ import annotations
  
  from homeassistant.components.sensor import (
      ATTR_LAST_RESET,
      ATTR_STATE_CLASS,
      SensorEntity,
  )
  from homeassistant.const import (
      ATTR_DEVICE_CLASS,
      ATTR_NAME,
      ATTR_UNIT_OF_MEASUREMENT,
      CONF_NAME,
  )
  
  from . import YetiEntity
  from .const import (
      ATTR_DEFAULT_ENABLED,
      DATA_KEY_API,
      DATA_KEY_COORDINATOR,
      DOMAIN,
      SENSOR_DICT,
  )
  
  
  async def async_setup_entry(hass, entry, async_add_entities):
      """Set up the Goal Zero Yeti sensor."""
      name = entry.data[CONF_NAME]
      goalzero_data = hass.data[DOMAIN][entry.entry_id]
      sensors = [
          YetiSensor(
              goalzero_data[DATA_KEY_API],
              goalzero_data[DATA_KEY_COORDINATOR],
              name,
              sensor_name,
              entry.entry_id,
          )
          for sensor_name in SENSOR_DICT
      ]
      async_add_entities(sensors, True)
  
  
  class YetiSensor(YetiEntity, SensorEntity):
      """Representation of a Goal Zero Yeti sensor."""
  
      def __init__(self, api, coordinator, name, sensor_name, server_unique_id):
          """Initialize a Goal Zero Yeti sensor."""
          super().__init__(api, coordinator, name, server_unique_id)
          self._condition = sensor_name
          sensor = SENSOR_DICT[sensor_name]
          self._attr_device_class = sensor.get(ATTR_DEVICE_CLASS)
          self._attr_entity_registry_enabled_default = sensor.get(ATTR_DEFAULT_ENABLED)
          self._attr_last_reset = sensor.get(ATTR_LAST_RESET)
          self._attr_name = f"{name} {sensor.get(ATTR_NAME)}"
          self._attr_native_unit_of_measurement = sensor.get(ATTR_UNIT_OF_MEASUREMENT)
          self._attr_state_class = sensor.get(ATTR_STATE_CLASS)
          self._attr_unique_id = f"{server_unique_id}/{sensor_name}"
  
      @property
      def native_value(self) -> str | None:
          """Return the state."""
          if self.api.data:
              return self.api.data.get(self._condition)
          return None
  
subject: Fix goalzero sensor not using SensorEntity class (#54773)