diff --git a/homeassistant/components/omnilogic/common.py b/homeassistant/components/omnilogic/common.py
index a4e8d4f491e..a103b8d112c 100644
--- a/homeassistant/components/omnilogic/common.py
+++ b/homeassistant/components/omnilogic/common.py
@@ -35,7 +35,7 @@ class OmniLogicUpdateCoordinator(DataUpdateCoordinator):
         name: str,
         config_entry: ConfigEntry,
         polling_interval: int,
-    ):
+    ) -> None:
         """Initialize the global Omnilogic data updater."""
         self.api = api
         self.config_entry = config_entry
@@ -89,7 +89,7 @@ class OmniLogicEntity(CoordinatorEntity):
         name: str,
         item_id: tuple,
         icon: str,
-    ):
+    ) -> None:
         """Initialize the OmniLogic Entity."""
         super().__init__(coordinator)
 
diff --git a/homeassistant/components/omnilogic/sensor.py b/homeassistant/components/omnilogic/sensor.py
index 60ca685a2f8..beec071b192 100644
--- a/homeassistant/components/omnilogic/sensor.py
+++ b/homeassistant/components/omnilogic/sensor.py
@@ -61,7 +61,7 @@ class OmnilogicSensor(OmniLogicEntity, SensorEntity):
         unit: str,
         item_id: tuple,
         state_key: str,
-    ):
+    ) -> None:
         """Initialize Entities."""
         super().__init__(
             coordinator=coordinator,
@@ -217,7 +217,7 @@ class OmniLogicORPSensor(OmnilogicSensor):
         device_class: str,
         icon: str,
         unit: str,
-    ):
+    ) -> None:
         """Initialize the sensor."""
         super().__init__(
             coordinator=coordinator,
diff --git a/homeassistant/components/omnilogic/switch.py b/homeassistant/components/omnilogic/switch.py
index b6fec2e9f25..771b02a24c1 100644
--- a/homeassistant/components/omnilogic/switch.py
+++ b/homeassistant/components/omnilogic/switch.py
@@ -67,7 +67,7 @@ class OmniLogicSwitch(OmniLogicEntity, SwitchEntity):
         icon: str,
         item_id: tuple,
         state_key: str,
-    ):
+    ) -> None:
         """Initialize Entities."""
         super().__init__(
             coordinator=coordinator,
@@ -142,7 +142,7 @@ class OmniLogicPumpControl(OmniLogicSwitch):
         icon: str,
         item_id: tuple,
         state_key: str,
-    ):
+    ) -> None:
         """Initialize entities."""
         super().__init__(
             coordinator=coordinator,
diff --git a/homeassistant/components/ondilo_ico/api.py b/homeassistant/components/ondilo_ico/api.py
index e753f8d6dcb..f698dcc693e 100644
--- a/homeassistant/components/ondilo_ico/api.py
+++ b/homeassistant/components/ondilo_ico/api.py
@@ -18,7 +18,7 @@ class OndiloClient(Ondilo):
         hass: core.HomeAssistant,
         config_entry: config_entries.ConfigEntry,
         implementation: config_entry_oauth2_flow.AbstractOAuth2Implementation,
-    ):
+    ) -> None:
         """Initialize Ondilo ICO Auth."""
         self.hass = hass
         self.config_entry = config_entry
diff --git a/homeassistant/components/ondilo_ico/oauth_impl.py b/homeassistant/components/ondilo_ico/oauth_impl.py
index d6072cd6f6f..e1c6e6fdb90 100644
--- a/homeassistant/components/ondilo_ico/oauth_impl.py
+++ b/homeassistant/components/ondilo_ico/oauth_impl.py
@@ -15,7 +15,7 @@ from .const import (
 class OndiloOauth2Implementation(LocalOAuth2Implementation):
     """Local implementation of OAuth2 specific to Ondilo to hard code client id and secret and return a proper name."""
 
-    def __init__(self, hass: HomeAssistant):
+    def __init__(self, hass: HomeAssistant) -> None:
         """Just init default class with default values."""
         super().__init__(
             hass,
diff --git a/homeassistant/components/ondilo_ico/sensor.py b/homeassistant/components/ondilo_ico/sensor.py
index 3af2bb7c326..2428862cb31 100644
--- a/homeassistant/components/ondilo_ico/sensor.py
+++ b/homeassistant/components/ondilo_ico/sensor.py
@@ -89,7 +89,7 @@ class OndiloICO(CoordinatorEntity, SensorEntity):
 
     def __init__(
         self, coordinator: DataUpdateCoordinator, poolidx: int, sensor_idx: int
-    ):
+    ) -> None:
         """Initialize sensor entity with data from coordinator."""
         super().__init__(coordinator)
 
diff --git a/homeassistant/components/onewire/onewire_entities.py b/homeassistant/components/onewire/onewire_entities.py
index 0182f86f6de..b60d06739e8 100644
--- a/homeassistant/components/onewire/onewire_entities.py
+++ b/homeassistant/components/onewire/onewire_entities.py
@@ -33,7 +33,7 @@ class OneWireBaseEntity(Entity):
         device_info: DeviceInfo,
         default_disabled: bool,
         unique_id: str,
-    ):
+    ) -> None:
         """Initialize the entity."""
         self._name = f"{name} {entity_name or entity_type.capitalize()}"
         self._device_file = device_file
@@ -88,7 +88,7 @@ class OneWireProxyEntity(OneWireBaseEntity):
         entity_path: str,
         entity_specs: DeviceComponentDescription,
         owproxy: protocol._Proxy,
-    ):
+    ) -> None:
         """Initialize the sensor."""
         super().__init__(
             name=device_name,
diff --git a/homeassistant/components/onewire/onewirehub.py b/homeassistant/components/onewire/onewirehub.py
index 68ee0af85aa..26d08594055 100644
--- a/homeassistant/components/onewire/onewirehub.py
+++ b/homeassistant/components/onewire/onewirehub.py
@@ -23,7 +23,7 @@ DEVICE_COUPLERS = {
 class OneWireHub:
     """Hub to communicate with SysBus or OWServer."""
 
-    def __init__(self, hass: HomeAssistant):
+    def __init__(self, hass: HomeAssistant) -> None:
         """Initialize."""
         self.hass = hass
         self.type: str | None = None
diff --git a/homeassistant/components/onvif/device.py b/homeassistant/components/onvif/device.py
index 826ff4b1a29..e8428696bfc 100644
--- a/homeassistant/components/onvif/device.py
+++ b/homeassistant/components/onvif/device.py
@@ -41,7 +41,7 @@ from .models import PTZ, Capabilities, DeviceInfo, Profile, Resolution, Video
 class ONVIFDevice:
     """Manages an ONVIF device."""
 
-    def __init__(self, hass: HomeAssistant, config_entry: ConfigEntry = None):
+    def __init__(self, hass: HomeAssistant, config_entry: ConfigEntry = None) -> None:
         """Initialize the device."""
         self.hass: HomeAssistant = hass
         self.config_entry: ConfigEntry = config_entry
diff --git a/homeassistant/components/onvif/event.py b/homeassistant/components/onvif/event.py
index 76b18d729a8..a45cc02c84b 100644
--- a/homeassistant/components/onvif/event.py
+++ b/homeassistant/components/onvif/event.py
@@ -29,7 +29,9 @@ SUBSCRIPTION_ERRORS = (
 class EventManager:
     """ONVIF Event Manager."""
 
-    def __init__(self, hass: HomeAssistant, device: ONVIFCamera, unique_id: str):
+    def __init__(
+        self, hass: HomeAssistant, device: ONVIFCamera, unique_id: str
+    ) -> None:
         """Initialize event manager."""
         self.hass: HomeAssistant = hass
         self.device: ONVIFCamera = device
diff --git a/homeassistant/components/ovo_energy/sensor.py b/homeassistant/components/ovo_energy/sensor.py
index adc62906e65..7615a7011d3 100644
--- a/homeassistant/components/ovo_energy/sensor.py
+++ b/homeassistant/components/ovo_energy/sensor.py
@@ -80,7 +80,7 @@ class OVOEnergySensor(OVOEnergyDeviceEntity, SensorEntity):
 class OVOEnergyLastElectricityReading(OVOEnergySensor):
     """Defines a OVO Energy last reading sensor."""
 
-    def __init__(self, coordinator: DataUpdateCoordinator, client: OVOEnergy):
+    def __init__(self, coordinator: DataUpdateCoordinator, client: OVOEnergy) -> None:
         """Initialize OVO Energy sensor."""
 
         super().__init__(
@@ -115,7 +115,7 @@ class OVOEnergyLastElectricityReading(OVOEnergySensor):
 class OVOEnergyLastGasReading(OVOEnergySensor):
     """Defines a OVO Energy last reading sensor."""
 
-    def __init__(self, coordinator: DataUpdateCoordinator, client: OVOEnergy):
+    def __init__(self, coordinator: DataUpdateCoordinator, client: OVOEnergy) -> None:
         """Initialize OVO Energy sensor."""
 
         super().__init__(
@@ -152,7 +152,7 @@ class OVOEnergyLastElectricityCost(OVOEnergySensor):
 
     def __init__(
         self, coordinator: DataUpdateCoordinator, client: OVOEnergy, currency: str
-    ):
+    ) -> None:
         """Initialize OVO Energy sensor."""
         super().__init__(
             coordinator,
@@ -188,7 +188,7 @@ class OVOEnergyLastGasCost(OVOEnergySensor):
 
     def __init__(
         self, coordinator: DataUpdateCoordinator, client: OVOEnergy, currency: str
-    ):
+    ) -> None:
         """Initialize OVO Energy sensor."""
         super().__init__(
             coordinator,
diff --git a/homeassistant/components/person/__init__.py b/homeassistant/components/person/__init__.py
index 86f50367fd4..7641a75e9c6 100644
--- a/homeassistant/components/person/__init__.py
+++ b/homeassistant/components/person/__init__.py
@@ -168,7 +168,7 @@ class PersonStorageCollection(collection.StorageCollection):
         logger: logging.Logger,
         id_manager: collection.IDManager,
         yaml_collection: collection.YamlCollection,
-    ):
+    ) -> None:
         """Initialize a person storage collection."""
         super().__init__(store, logger, id_manager)
         self.yaml_collection = yaml_collection
diff --git a/homeassistant/components/philips_js/__init__.py b/homeassistant/components/philips_js/__init__.py
index cc78402dda9..f21337f512e 100644
--- a/homeassistant/components/philips_js/__init__.py
+++ b/homeassistant/components/philips_js/__init__.py
@@ -60,7 +60,7 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry):
 class PluggableAction:
     """A pluggable action handler."""
 
-    def __init__(self, update: Callable[[], None]):
+    def __init__(self, update: Callable[[], None]) -> None:
         """Initialize."""
         self._update = update
         self._actions: dict[Any, AutomationActionType] = {}
diff --git a/homeassistant/components/philips_js/media_player.py b/homeassistant/components/philips_js/media_player.py
index 60862d8eded..61aa97a66b1 100644
--- a/homeassistant/components/philips_js/media_player.py
+++ b/homeassistant/components/philips_js/media_player.py
@@ -128,7 +128,7 @@ class PhilipsTVMediaPlayer(CoordinatorEntity, MediaPlayerEntity):
         coordinator: PhilipsTVDataUpdateCoordinator,
         system: dict[str, Any],
         unique_id: str,
-    ):
+    ) -> None:
         """Initialize the Philips TV."""
         self._tv = coordinator.api
         self._coordinator = coordinator
diff --git a/homeassistant/components/philips_js/remote.py b/homeassistant/components/philips_js/remote.py
index f4d34904f1b..98ecab96fd4 100644
--- a/homeassistant/components/philips_js/remote.py
+++ b/homeassistant/components/philips_js/remote.py
@@ -37,7 +37,7 @@ class PhilipsTVRemote(RemoteEntity):
         coordinator: PhilipsTVDataUpdateCoordinator,
         system: SystemType,
         unique_id: str,
-    ):
+    ) -> None:
         """Initialize the Philips TV."""
         self._tv = coordinator.api
         self._coordinator = coordinator
diff --git a/homeassistant/components/picnic/coordinator.py b/homeassistant/components/picnic/coordinator.py
index a4660344aaf..bcd4e79a098 100644
--- a/homeassistant/components/picnic/coordinator.py
+++ b/homeassistant/components/picnic/coordinator.py
@@ -24,7 +24,7 @@ class PicnicUpdateCoordinator(DataUpdateCoordinator):
         hass: HomeAssistant,
         picnic_api_client: PicnicAPI,
         config_entry: ConfigEntry,
-    ):
+    ) -> None:
         """Initialize the coordinator with the given Picnic API client."""
         self.picnic_api_client = picnic_api_client
         self.config_entry = config_entry
diff --git a/homeassistant/components/plaato/config_flow.py b/homeassistant/components/plaato/config_flow.py
index b1d81db1de5..79a4657c312 100644
--- a/homeassistant/components/plaato/config_flow.py
+++ b/homeassistant/components/plaato/config_flow.py
@@ -171,7 +171,7 @@ class PlaatoConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 class PlaatoOptionsFlowHandler(config_entries.OptionsFlow):
     """Handle Plaato options."""
 
-    def __init__(self, config_entry: ConfigEntry):
+    def __init__(self, config_entry: ConfigEntry) -> None:
         """Initialize domain options flow."""
         super().__init__()
 
diff --git a/homeassistant/components/rachio/config_flow.py b/homeassistant/components/rachio/config_flow.py
index b664ebcd45d..ee03d042ec2 100644
--- a/homeassistant/components/rachio/config_flow.py
+++ b/homeassistant/components/rachio/config_flow.py
@@ -96,7 +96,7 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 class OptionsFlowHandler(config_entries.OptionsFlow):
     """Handle a option flow for Rachio."""
 
-    def __init__(self, config_entry: config_entries.ConfigEntry):
+    def __init__(self, config_entry: config_entries.ConfigEntry) -> None:
         """Initialize options flow."""
         self.config_entry = config_entry
 
diff --git a/homeassistant/components/recollect_waste/config_flow.py b/homeassistant/components/recollect_waste/config_flow.py
index 1a53eb78d5e..9919c2653a8 100644
--- a/homeassistant/components/recollect_waste/config_flow.py
+++ b/homeassistant/components/recollect_waste/config_flow.py
@@ -73,7 +73,7 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 class RecollectWasteOptionsFlowHandler(config_entries.OptionsFlow):
     """Handle a Recollect Waste options flow."""
 
-    def __init__(self, entry: config_entries.ConfigEntry):
+    def __init__(self, entry: config_entries.ConfigEntry) -> None:
         """Initialize."""
         self._entry = entry
 
diff --git a/homeassistant/components/ring/__init__.py b/homeassistant/components/ring/__init__.py
index a0d07d0a878..a8196b30302 100644
--- a/homeassistant/components/ring/__init__.py
+++ b/homeassistant/components/ring/__init__.py
@@ -146,7 +146,7 @@ class GlobalDataUpdater:
         ring: Ring,
         update_method: str,
         update_interval: timedelta,
-    ):
+    ) -> None:
         """Initialize global data updater."""
         self.hass = hass
         self.data_type = data_type
@@ -219,7 +219,7 @@ class DeviceDataUpdater:
         ring: Ring,
         update_method: str,
         update_interval: timedelta,
-    ):
+    ) -> None:
         """Initialize device data updater."""
         self.data_type = data_type
         self.hass = hass
diff --git a/homeassistant/components/rituals_perfume_genie/__init__.py b/homeassistant/components/rituals_perfume_genie/__init__.py
index 1906478cbd2..65c1a2dd97c 100644
--- a/homeassistant/components/rituals_perfume_genie/__init__.py
+++ b/homeassistant/components/rituals_perfume_genie/__init__.py
@@ -64,7 +64,7 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry):
 class RitualsDataUpdateCoordinator(DataUpdateCoordinator):
     """Class to manage fetching Rituals Perufme Genie device data from single endpoint."""
 
-    def __init__(self, hass: HomeAssistant, device: Diffuser):
+    def __init__(self, hass: HomeAssistant, device: Diffuser) -> None:
         """Initialize global Rituals Perufme Genie data updater."""
         self._device = device
         super().__init__(
diff --git a/homeassistant/components/roku/__init__.py b/homeassistant/components/roku/__init__.py
index 6b7f3237d1e..e81f5260ac1 100644
--- a/homeassistant/components/roku/__init__.py
+++ b/homeassistant/components/roku/__init__.py
@@ -85,7 +85,7 @@ class RokuDataUpdateCoordinator(DataUpdateCoordinator[Device]):
         hass: HomeAssistant,
         *,
         host: str,
-    ):
+    ) -> None:
         """Initialize global Roku data updater."""
         self.roku = Roku(host=host, session=async_get_clientsession(hass))
 
diff --git a/homeassistant/components/ruckus_unleashed/coordinator.py b/homeassistant/components/ruckus_unleashed/coordinator.py
index 1e145a19c74..8b80eaae0da 100644
--- a/homeassistant/components/ruckus_unleashed/coordinator.py
+++ b/homeassistant/components/ruckus_unleashed/coordinator.py
@@ -22,7 +22,7 @@ _LOGGER = logging.getLogger(__package__)
 class RuckusUnleashedDataUpdateCoordinator(DataUpdateCoordinator):
     """Coordinator to manage data from Ruckus Unleashed client."""
 
-    def __init__(self, hass: HomeAssistant, *, ruckus: Ruckus):
+    def __init__(self, hass: HomeAssistant, *, ruckus: Ruckus) -> None:
         """Initialize global Ruckus Unleashed data updater."""
         self.ruckus = ruckus
 
diff --git a/homeassistant/components/screenlogic/config_flow.py b/homeassistant/components/screenlogic/config_flow.py
index c9b13a586ef..1fc01a2e854 100644
--- a/homeassistant/components/screenlogic/config_flow.py
+++ b/homeassistant/components/screenlogic/config_flow.py
@@ -188,7 +188,7 @@ class ScreenlogicConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 class ScreenLogicOptionsFlowHandler(config_entries.OptionsFlow):
     """Handles the options for the ScreenLogic integration."""
 
-    def __init__(self, config_entry: config_entries.ConfigEntry):
+    def __init__(self, config_entry: config_entries.ConfigEntry) -> None:
         """Init the screen logic options flow."""
         self.config_entry = config_entry
 
diff --git a/homeassistant/components/search/__init__.py b/homeassistant/components/search/__init__.py
index 3198f40720b..db97410469f 100644
--- a/homeassistant/components/search/__init__.py
+++ b/homeassistant/components/search/__init__.py
@@ -69,7 +69,7 @@ class Searcher:
         hass: HomeAssistant,
         device_reg: device_registry.DeviceRegistry,
         entity_reg: entity_registry.EntityRegistry,
-    ):
+    ) -> None:
         """Search results."""
         self.hass = hass
         self._device_reg = device_reg
diff --git a/homeassistant/components/sentry/config_flow.py b/homeassistant/components/sentry/config_flow.py
index bcb540a1687..4fe2b0cc503 100644
--- a/homeassistant/components/sentry/config_flow.py
+++ b/homeassistant/components/sentry/config_flow.py
@@ -73,7 +73,7 @@ class SentryConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 class SentryOptionsFlow(config_entries.OptionsFlow):
     """Handle Sentry options."""
 
-    def __init__(self, config_entry: config_entries.ConfigEntry):
+    def __init__(self, config_entry: config_entries.ConfigEntry) -> None:
         """Initialize Sentry options flow."""
         self.config_entry = config_entry
 
diff --git a/homeassistant/components/sharkiq/vacuum.py b/homeassistant/components/sharkiq/vacuum.py
index 09dc4ec3efb..4ecdf217abc 100644
--- a/homeassistant/components/sharkiq/vacuum.py
+++ b/homeassistant/components/sharkiq/vacuum.py
@@ -83,7 +83,9 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
 class SharkVacuumEntity(CoordinatorEntity, StateVacuumEntity):
     """Shark IQ vacuum entity."""
 
-    def __init__(self, sharkiq: SharkIqVacuum, coordinator: SharkIqUpdateCoordinator):
+    def __init__(
+        self, sharkiq: SharkIqVacuum, coordinator: SharkIqUpdateCoordinator
+    ) -> None:
         """Create a new SharkVacuumEntity."""
         super().__init__(coordinator)
         self.sharkiq = sharkiq
diff --git a/homeassistant/components/smappee/api.py b/homeassistant/components/smappee/api.py
index 8de1d4cfec5..f12f53ff27f 100644
--- a/homeassistant/components/smappee/api.py
+++ b/homeassistant/components/smappee/api.py
@@ -18,7 +18,7 @@ class ConfigEntrySmappeeApi(api.SmappeeApi):
         hass: core.HomeAssistant,
         config_entry: config_entries.ConfigEntry,
         implementation: config_entry_oauth2_flow.AbstractOAuth2Implementation,
-    ):
+    ) -> None:
         """Initialize Smappee Auth."""
         self.hass = hass
         self.config_entry = config_entry
diff --git a/homeassistant/components/smart_meter_texas/__init__.py b/homeassistant/components/smart_meter_texas/__init__.py
index 1fc3eb218a7..82a8ccb354b 100644
--- a/homeassistant/components/smart_meter_texas/__init__.py
+++ b/homeassistant/components/smart_meter_texas/__init__.py
@@ -86,7 +86,9 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
 class SmartMeterTexasData:
     """Manages coordinatation of API data updates."""
 
-    def __init__(self, hass: HomeAssistant, entry: ConfigEntry, account: Account):
+    def __init__(
+        self, hass: HomeAssistant, entry: ConfigEntry, account: Account
+    ) -> None:
         """Initialize the data coordintator."""
         self._entry = entry
         self.account = account
diff --git a/homeassistant/components/smart_meter_texas/sensor.py b/homeassistant/components/smart_meter_texas/sensor.py
index 54e5969f8ea..13e93fe362b 100644
--- a/homeassistant/components/smart_meter_texas/sensor.py
+++ b/homeassistant/components/smart_meter_texas/sensor.py
@@ -33,7 +33,7 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
 class SmartMeterTexasSensor(CoordinatorEntity, RestoreEntity, SensorEntity):
     """Representation of an Smart Meter Texas sensor."""
 
-    def __init__(self, meter: Meter, coordinator: DataUpdateCoordinator):
+    def __init__(self, meter: Meter, coordinator: DataUpdateCoordinator) -> None:
         """Initialize the sensor."""
         super().__init__(coordinator)
         self.meter = meter
diff --git a/homeassistant/components/somfy/api.py b/homeassistant/components/somfy/api.py
index 43db2c29060..bfa834cddb2 100644
--- a/homeassistant/components/somfy/api.py
+++ b/homeassistant/components/somfy/api.py
@@ -17,7 +17,7 @@ class ConfigEntrySomfyApi(somfy_api.SomfyApi):
         hass: core.HomeAssistant,
         config_entry: config_entries.ConfigEntry,
         implementation: config_entry_oauth2_flow.AbstractOAuth2Implementation,
-    ):
+    ) -> None:
         """Initialize the Config Entry Somfy API."""
         self.hass = hass
         self.config_entry = config_entry
diff --git a/homeassistant/components/somfy_mylink/config_flow.py b/homeassistant/components/somfy_mylink/config_flow.py
index 88185629b27..aac04a34a9a 100644
--- a/homeassistant/components/somfy_mylink/config_flow.py
+++ b/homeassistant/components/somfy_mylink/config_flow.py
@@ -119,7 +119,7 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 class OptionsFlowHandler(config_entries.OptionsFlow):
     """Handle a option flow for somfy_mylink."""
 
-    def __init__(self, config_entry: config_entries.ConfigEntry):
+    def __init__(self, config_entry: config_entries.ConfigEntry) -> None:
         """Initialize options flow."""
         self.config_entry = config_entry
         self.options = deepcopy(dict(config_entry.options))
diff --git a/homeassistant/components/spotify/media_player.py b/homeassistant/components/spotify/media_player.py
index a30868fe913..e9ae2367273 100644
--- a/homeassistant/components/spotify/media_player.py
+++ b/homeassistant/components/spotify/media_player.py
@@ -233,7 +233,7 @@ class SpotifyMediaPlayer(MediaPlayerEntity):
         me: dict,
         user_id: str,
         name: str,
-    ):
+    ) -> None:
         """Initialize."""
         self._id = user_id
         self._me = me
diff --git a/homeassistant/components/starline/account.py b/homeassistant/components/starline/account.py
index fc7be6582a7..8af9940370e 100644
--- a/homeassistant/components/starline/account.py
+++ b/homeassistant/components/starline/account.py
@@ -26,7 +26,7 @@ from .const import (
 class StarlineAccount:
     """StarLine Account class."""
 
-    def __init__(self, hass: HomeAssistant, config_entry: ConfigEntry):
+    def __init__(self, hass: HomeAssistant, config_entry: ConfigEntry) -> None:
         """Initialize StarLine account."""
         self._hass: HomeAssistant = hass
         self._config_entry: ConfigEntry = config_entry
diff --git a/homeassistant/components/starline/binary_sensor.py b/homeassistant/components/starline/binary_sensor.py
index df9bd348b8d..3468d141cf6 100644
--- a/homeassistant/components/starline/binary_sensor.py
+++ b/homeassistant/components/starline/binary_sensor.py
@@ -43,7 +43,7 @@ class StarlineSensor(StarlineEntity, BinarySensorEntity):
         key: str,
         name: str,
         device_class: str,
-    ):
+    ) -> None:
         """Initialize sensor."""
         super().__init__(account, device, key, name)
         self._device_class = device_class
diff --git a/homeassistant/components/starline/device_tracker.py b/homeassistant/components/starline/device_tracker.py
index 59b9f5b4f95..04e18bce8fb 100644
--- a/homeassistant/components/starline/device_tracker.py
+++ b/homeassistant/components/starline/device_tracker.py
@@ -21,7 +21,7 @@ async def async_setup_entry(hass, entry, async_add_entities):
 class StarlineDeviceTracker(StarlineEntity, TrackerEntity, RestoreEntity):
     """StarLine device tracker."""
 
-    def __init__(self, account: StarlineAccount, device: StarlineDevice):
+    def __init__(self, account: StarlineAccount, device: StarlineDevice) -> None:
         """Set up StarLine entity."""
         super().__init__(account, device, "location", "Location")
 
diff --git a/homeassistant/components/starline/entity.py b/homeassistant/components/starline/entity.py
index 9b81481b9d1..b48816e1a7c 100644
--- a/homeassistant/components/starline/entity.py
+++ b/homeassistant/components/starline/entity.py
@@ -13,7 +13,7 @@ class StarlineEntity(Entity):
 
     def __init__(
         self, account: StarlineAccount, device: StarlineDevice, key: str, name: str
-    ):
+    ) -> None:
         """Initialize StarLine entity."""
         self._account = account
         self._device = device
diff --git a/homeassistant/components/starline/lock.py b/homeassistant/components/starline/lock.py
index f19fa4896ba..8ed6de0497d 100644
--- a/homeassistant/components/starline/lock.py
+++ b/homeassistant/components/starline/lock.py
@@ -21,7 +21,7 @@ async def async_setup_entry(hass, entry, async_add_entities):
 class StarlineLock(StarlineEntity, LockEntity):
     """Representation of a StarLine lock."""
 
-    def __init__(self, account: StarlineAccount, device: StarlineDevice):
+    def __init__(self, account: StarlineAccount, device: StarlineDevice) -> None:
         """Initialize the lock."""
         super().__init__(account, device, "lock", "Security")
 
diff --git a/homeassistant/components/starline/sensor.py b/homeassistant/components/starline/sensor.py
index 29deacee428..4cb470be894 100644
--- a/homeassistant/components/starline/sensor.py
+++ b/homeassistant/components/starline/sensor.py
@@ -49,7 +49,7 @@ class StarlineSensor(StarlineEntity, SensorEntity):
         device_class: str,
         unit: str,
         icon: str,
-    ):
+    ) -> None:
         """Initialize StarLine sensor."""
         super().__init__(account, device, key, name)
         self._device_class = device_class
diff --git a/homeassistant/components/starline/switch.py b/homeassistant/components/starline/switch.py
index b3214390a44..c8afc41cb2d 100644
--- a/homeassistant/components/starline/switch.py
+++ b/homeassistant/components/starline/switch.py
@@ -41,7 +41,7 @@ class StarlineSwitch(StarlineEntity, SwitchEntity):
         name: str,
         icon_on: str,
         icon_off: str,
-    ):
+    ) -> None:
         """Initialize the switch."""
         super().__init__(account, device, key, name)
         self._icon_on = icon_on
diff --git a/homeassistant/components/stream/core.py b/homeassistant/components/stream/core.py
index ae96d80af0b..a289464f92b 100644
--- a/homeassistant/components/stream/core.py
+++ b/homeassistant/components/stream/core.py
@@ -53,7 +53,7 @@ class IdleTimer:
 
     def __init__(
         self, hass: HomeAssistant, timeout: int, idle_callback: Callable[[], None]
-    ):
+    ) -> None:
         """Initialize IdleTimer."""
         self._hass = hass
         self._timeout = timeout
diff --git a/homeassistant/components/subaru/config_flow.py b/homeassistant/components/subaru/config_flow.py
index 0c41a478c04..f21abbdb56f 100644
--- a/homeassistant/components/subaru/config_flow.py
+++ b/homeassistant/components/subaru/config_flow.py
@@ -133,7 +133,7 @@ class SubaruConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 class OptionsFlowHandler(config_entries.OptionsFlow):
     """Handle a option flow for Subaru."""
 
-    def __init__(self, config_entry: config_entries.ConfigEntry):
+    def __init__(self, config_entry: config_entries.ConfigEntry) -> None:
         """Initialize options flow."""
         self.config_entry = config_entry
 
diff --git a/homeassistant/components/surepetcare/binary_sensor.py b/homeassistant/components/surepetcare/binary_sensor.py
index 5f6a82839e1..fd75264ee27 100644
--- a/homeassistant/components/surepetcare/binary_sensor.py
+++ b/homeassistant/components/surepetcare/binary_sensor.py
@@ -62,7 +62,7 @@ class SurePetcareBinarySensor(BinarySensorEntity):
         spc: SurePetcareAPI,
         device_class: str,
         sure_type: EntityType,
-    ):
+    ) -> None:
         """Initialize a Sure Petcare binary sensor."""
 
         self._id = _id
diff --git a/homeassistant/components/surepetcare/sensor.py b/homeassistant/components/surepetcare/sensor.py
index 33396e25267..cfdb25fd412 100644
--- a/homeassistant/components/surepetcare/sensor.py
+++ b/homeassistant/components/surepetcare/sensor.py
@@ -49,7 +49,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
 class SurePetcareSensor(SensorEntity):
     """A binary sensor implementation for Sure Petcare Entities."""
 
-    def __init__(self, _id: int, spc: SurePetcareAPI):
+    def __init__(self, _id: int, spc: SurePetcareAPI) -> None:
         """Initialize a Sure Petcare sensor."""
 
         self._id = _id
diff --git a/homeassistant/components/synology_dsm/config_flow.py b/homeassistant/components/synology_dsm/config_flow.py
index 85d1cb4bf7a..c2de05b833e 100644
--- a/homeassistant/components/synology_dsm/config_flow.py
+++ b/homeassistant/components/synology_dsm/config_flow.py
@@ -275,7 +275,7 @@ class SynologyDSMFlowHandler(ConfigFlow, domain=DOMAIN):
 class SynologyDSMOptionsFlowHandler(OptionsFlow):
     """Handle a option flow."""
 
-    def __init__(self, config_entry: ConfigEntry):
+    def __init__(self, config_entry: ConfigEntry) -> None:
         """Initialize options flow."""
         self.config_entry = config_entry
 
diff --git a/homeassistant/components/system_bridge/binary_sensor.py b/homeassistant/components/system_bridge/binary_sensor.py
index e18bcf516eb..488aca90bde 100644
--- a/homeassistant/components/system_bridge/binary_sensor.py
+++ b/homeassistant/components/system_bridge/binary_sensor.py
@@ -53,7 +53,7 @@ class BridgeBinarySensor(BridgeDeviceEntity, BinarySensorEntity):
 class BridgeBatteryIsChargingBinarySensor(BridgeBinarySensor):
     """Defines a Battery is charging binary sensor."""
 
-    def __init__(self, coordinator: DataUpdateCoordinator, bridge: Bridge):
+    def __init__(self, coordinator: DataUpdateCoordinator, bridge: Bridge) -> None:
         """Initialize System Bridge binary sensor."""
         super().__init__(
             coordinator,