Remove unneeded variable in Flo (#99322)

homeassistant/components/flo/entity.py

@@ -1,8 +1,6 @@
 """Base entity class for Flo entities."""
 from __future__ import annotations
 
-from typing import Any
-
 from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC, DeviceInfo
 from homeassistant.helpers.entity import Entity
 
@@ -27,7 +25,6 @@ class FloEntity(Entity):
         self._attr_unique_id = f"{device.mac_address}_{entity_type}"
 
         self._device: FloDeviceDataUpdateCoordinator = device
-        self._state: Any = None
 
     @property
     def device_info(self) -> DeviceInfo:

homeassistant/components/flo/sensor.py

@@ -68,7 +68,6 @@ class FloDailyUsageSensor(FloEntity, SensorEntity):
     def __init__(self, device):
         """Initialize the daily water usage sensor."""
         super().__init__("daily_consumption", device)
-        self._state: float = None
 
     @property
     def native_value(self) -> float | None:
@@ -86,7 +85,6 @@ class FloSystemModeSensor(FloEntity, SensorEntity):
     def __init__(self, device):
         """Initialize the system mode sensor."""
         super().__init__("current_system_mode", device)
-        self._state: str = None
 
     @property
     def native_value(self) -> str | None:
@@ -107,7 +105,6 @@ class FloCurrentFlowRateSensor(FloEntity, SensorEntity):
     def __init__(self, device):
         """Initialize the flow rate sensor."""
         super().__init__("current_flow_rate", device)
-        self._state: float = None
 
     @property
     def native_value(self) -> float | None:
@@ -129,7 +126,6 @@ class FloTemperatureSensor(FloEntity, SensorEntity):
         super().__init__("temperature", device)
         if is_water:
             self._attr_translation_key = "water_temperature"
-        self._state: float = None
 
     @property
     def native_value(self) -> float | None:
@@ -149,7 +145,6 @@ class FloHumiditySensor(FloEntity, SensorEntity):
     def __init__(self, device):
         """Initialize the humidity sensor."""
         super().__init__("humidity", device)
-        self._state: float = None
 
     @property
     def native_value(self) -> float | None:
@@ -170,7 +165,6 @@ class FloPressureSensor(FloEntity, SensorEntity):
     def __init__(self, device):
         """Initialize the pressure sensor."""
         super().__init__("water_pressure", device)
-        self._state: float = None
 
     @property
     def native_value(self) -> float | None:
@@ -190,7 +184,6 @@ class FloBatterySensor(FloEntity, SensorEntity):
     def __init__(self, device):
         """Initialize the battery sensor."""
         super().__init__("battery", device)
-        self._state: float = None
 
     @property
     def native_value(self) -> float | None:

homeassistant/components/flo/switch.py

@@ -73,12 +73,7 @@ class FloSwitch(FloEntity, SwitchEntity):
     def __init__(self, device: FloDeviceDataUpdateCoordinator) -> None:
         """Initialize the Flo switch."""
         super().__init__("shutoff_valve", device)
-        self._state = self._device.last_known_valve_state == "open"
-
-    @property
-    def is_on(self) -> bool:
-        """Return True if the valve is open."""
-        return self._state
+        self._attr_is_on = device.last_known_valve_state == "open"
 
     @property
     def icon(self):
@@ -90,19 +85,19 @@ class FloSwitch(FloEntity, SwitchEntity):
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Open the valve."""
         await self._device.api_client.device.open_valve(self._device.id)
-        self._state = True
+        self._attr_is_on = True
         self.async_write_ha_state()
 
     async def async_turn_off(self, **kwargs: Any) -> None:
         """Close the valve."""
         await self._device.api_client.device.close_valve(self._device.id)
-        self._state = False
+        self._attr_is_on = False
         self.async_write_ha_state()
 
     @callback
     def async_update_state(self) -> None:
         """Retrieve the latest valve state and update the state machine."""
-        self._state = self._device.last_known_valve_state == "open"
+        self._attr_is_on = self._device.last_known_valve_state == "open"
         self.async_write_ha_state()
 
     async def async_added_to_hass(self) -> None: