Improve type hint in blebox light entity (#77013)

* Improve type hint in blebox light entity

* Adjust

* Adjust supported_features

* Adjust effect_list property

* Improve base class

homeassistant/components/blebox/__init__.py

@@ -3,6 +3,7 @@ import logging
 
 from blebox_uniapi.box import Box
 from blebox_uniapi.error import Error
+from blebox_uniapi.feature import Feature
 from blebox_uniapi.session import ApiHost
 
 from homeassistant.config_entries import ConfigEntry
@@ -83,7 +84,7 @@ def create_blebox_entities(
 class BleBoxEntity(Entity):
     """Implements a common class for entities representing a BleBox feature."""
 
-    def __init__(self, feature):
+    def __init__(self, feature: Feature) -> None:
         """Initialize a BleBox entity."""
         self._feature = feature
         self._attr_name = feature.full_name
@@ -97,7 +98,7 @@ class BleBoxEntity(Entity):
             sw_version=product.firmware_version,
         )
 
-    async def async_update(self):
+    async def async_update(self) -> None:
         """Update the entity state."""
         try:
             await self._feature.async_update()

homeassistant/components/blebox/light.py

@@ -56,11 +56,14 @@ COLOR_MODE_MAP = {
 class BleBoxLightEntity(BleBoxEntity, LightEntity):
     """Representation of BleBox lights."""
 
-    def __init__(self, feature):
+    _feature: blebox_uniapi.light.Light
+
+    def __init__(self, feature: blebox_uniapi.light.Light) -> None:
         """Initialize a BleBox light."""
         super().__init__(feature)
         self._attr_supported_color_modes = {self.color_mode}
-        self._attr_supported_features = LightEntityFeature.EFFECT
+        if feature.effect_list:
+            self._attr_supported_features = LightEntityFeature.EFFECT
 
     @property
     def is_on(self) -> bool:
@@ -91,7 +94,7 @@ class BleBoxLightEntity(BleBoxEntity, LightEntity):
         return color_mode_tmp
 
     @property
-    def effect_list(self) -> list[str] | None:
+    def effect_list(self) -> list[str]:
         """Return the list of supported effects."""
         return self._feature.effect_list
 
@@ -125,7 +128,7 @@ class BleBoxLightEntity(BleBoxEntity, LightEntity):
             return None
         return tuple(blebox_uniapi.light.Light.rgb_hex_to_rgb_list(rgbww_hex))
 
-    async def async_turn_on(self, **kwargs):
+    async def async_turn_on(self, **kwargs: Any) -> None:
         """Turn the light on."""
 
         rgbw = kwargs.get(ATTR_RGBW_COLOR)