Add TypeVar defaults for DataUpdateCoordinator (#111949)

homeassistant/components/bluetooth/passive_update_coordinator.py

 """Passive update coordinator for the Bluetooth integration."""
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Any, TypeVar
+from typing import TYPE_CHECKING, Any
+
+from typing_extensions import TypeVar
 
 from homeassistant.core import CALLBACK_TYPE, HomeAssistant, callback
 from homeassistant.helpers.update_coordinator import (
@@ -20,6 +22,7 @@ if TYPE_CHECKING:
 _PassiveBluetoothDataUpdateCoordinatorT = TypeVar(
     "_PassiveBluetoothDataUpdateCoordinatorT",
     bound="PassiveBluetoothDataUpdateCoordinator",
+    default="PassiveBluetoothDataUpdateCoordinator",
 )
 
 

homeassistant/components/zha/update.py

@@ -93,7 +93,9 @@ class ZHAFirmwareUpdateCoordinator(DataUpdateCoordinator[None]):  # pylint: disa
 
 
 @CONFIG_DIAGNOSTIC_MATCH(cluster_handler_names=CLUSTER_HANDLER_OTA)
-class ZHAFirmwareUpdateEntity(ZhaEntity, CoordinatorEntity, UpdateEntity):
+class ZHAFirmwareUpdateEntity(
+    ZhaEntity, CoordinatorEntity[ZHAFirmwareUpdateCoordinator], UpdateEntity
+):
     """Representation of a ZHA firmware update entity."""
 
     _unique_id_suffix = "firmware_update"

homeassistant/helpers/update_coordinator.py

@@ -8,11 +8,12 @@ from datetime import datetime, timedelta
 import logging
 from random import randint
 from time import monotonic
-from typing import Any, Generic, Protocol, TypeVar
+from typing import Any, Generic, Protocol
 import urllib.error
 
 import aiohttp
 import requests
+from typing_extensions import TypeVar
 
 from homeassistant import config_entries
 from homeassistant.const import EVENT_HOMEASSISTANT_STOP
@@ -37,12 +38,14 @@ from .debounce import Debouncer
 REQUEST_REFRESH_DEFAULT_COOLDOWN = 10
 REQUEST_REFRESH_DEFAULT_IMMEDIATE = True
 
-_DataT = TypeVar("_DataT")
+_DataT = TypeVar("_DataT", default=dict[str, Any])
 _BaseDataUpdateCoordinatorT = TypeVar(
     "_BaseDataUpdateCoordinatorT", bound="BaseDataUpdateCoordinatorProtocol"
 )
 _DataUpdateCoordinatorT = TypeVar(
-    "_DataUpdateCoordinatorT", bound="DataUpdateCoordinator[Any]"
+    "_DataUpdateCoordinatorT",
+    bound="DataUpdateCoordinator[Any]",
+    default="DataUpdateCoordinator[dict[str, Any]]",
 )