refactor(detailed_hello_world): add type annotations to sensor setup

custom_components/detailed_hello_world_push/cover.py

@@ -10,7 +10,6 @@
     CoverEntityFeature,
     CoverEntity,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
@@ -21,7 +20,7 @@
 # This function is called as part of the __init__.async_setup_entry (via the
 # hass.config_entries.async_forward_entry_setup call)
 async def async_setup_entry(
-    _hass: HomeAssistant,
+    hass: HomeAssistant,
     config_entry: HubConfigEntry,
     async_add_entities: AddEntitiesCallback,
 ) -> None:

custom_components/detailed_hello_world_push/sensor.py

@@ -9,25 +9,28 @@
 
 from homeassistant.components.sensor import (
     SensorDeviceClass,
-    SensorEntity,
-    SensorStateClass,
 )
 from homeassistant.const import (
-    ATTR_VOLTAGE,
     PERCENTAGE,
     LIGHT_LUX,
-    ATTR_UNIT_OF_MEASUREMENT,
 )
+from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import Entity
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
+from . import HubConfigEntry
 from .const import DOMAIN
 
 
 # See cover.py for more details.
 # Note how both entities for each roller sensor (battry and illuminance) are added at
 # the same time to the same list. This way only a single async_add_devices call is
 # required.
-async def async_setup_entry(_hass, config_entry, async_add_entities):
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: HubConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
     """Add sensors for passed config_entry in HA."""
     hub = config_entry.runtime_data