Add override decorators to sensor

homeassistant/components/sensor/__init__.py

@@ -13,7 +13,7 @@
 import sys
 from typing import Any, Final, cast, final
 
-from typing_extensions import Self
+from typing_extensions import Self, override
 
 from homeassistant.config_entries import ConfigEntry
 
@@ -268,6 +268,7 @@ def _default_to_device_class_name(self) -> bool:
         return self.device_class not in (None, SensorDeviceClass.ENUM)
 
     @property
+    @override
     def device_class(self) -> SensorDeviceClass | None:
         """Return the class of this entity."""
         if hasattr(self, "_attr_device_class"):
@@ -323,6 +324,7 @@ def last_reset(self) -> datetime | None:
         return None
 
     @property
+    @override
     def capability_attributes(self) -> Mapping[str, Any] | None:
         """Return the capability attributes."""
         if state_class := self.state_class:
@@ -368,6 +370,7 @@ def get_initial_entity_options(self) -> er.EntityOptionsType | None:
 
     @final
     @property
+    @override
     def state_attributes(self) -> dict[str, Any] | None:
         """Return state attributes."""
         if last_reset := self.last_reset:
@@ -445,6 +448,7 @@ def suggested_unit_of_measurement(self) -> str | None:
 
     @final
     @property
+    @override
     def unit_of_measurement(self) -> str | None:
         """Return the unit of measurement of the entity, after unit conversion."""
         # Highest priority, for registered entities: unit set by user,with fallback to
@@ -474,6 +478,7 @@ def unit_of_measurement(self) -> str | None:
 
     @final
     @property
+    @override
     def state(self) -> Any:
         """Return the state of the sensor and perform unit conversions, if needed."""
         native_unit_of_measurement = self.native_unit_of_measurement