Partial revert "Add TypeVar defaults for DataUpdateCoordinator (#95026)" (#95101)

* Revert "Add TypeVar defaults for DataUpdateCoordinator and EntityComponent (#95026)"

This reverts commit 90f5b1c323.

* Don't revert everything

homeassistant/components/bluetooth/passive_update_coordinator.py

@@ -1,9 +1,7 @@
 """Passive update coordinator for the Bluetooth integration."""
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Any
-
-from typing_extensions import TypeVar
+from typing import TYPE_CHECKING, Any, TypeVar
 
 from homeassistant.core import CALLBACK_TYPE, HomeAssistant, callback
 from homeassistant.helpers.update_coordinator import (
@@ -22,7 +20,6 @@ if TYPE_CHECKING:
 _PassiveBluetoothDataUpdateCoordinatorT = TypeVar(
     "_PassiveBluetoothDataUpdateCoordinatorT",
     bound="PassiveBluetoothDataUpdateCoordinator",
-    default="PassiveBluetoothDataUpdateCoordinator",
 )
 
 

homeassistant/helpers/update_coordinator.py

@@ -8,12 +8,11 @@ from datetime import datetime, timedelta
 import logging
 from random import randint
 from time import monotonic
-from typing import Any, Generic, Protocol
+from typing import Any, Generic, Protocol, TypeVar
 import urllib.error
 
 import aiohttp
 import requests
-from typing_extensions import TypeVar
 
 from homeassistant import config_entries
 from homeassistant.const import EVENT_HOMEASSISTANT_STOP
@@ -31,14 +30,12 @@ from .debounce import Debouncer
 REQUEST_REFRESH_DEFAULT_COOLDOWN = 10
 REQUEST_REFRESH_DEFAULT_IMMEDIATE = True
 
-_DataT = TypeVar("_DataT", default=dict[str, Any])
+_DataT = TypeVar("_DataT")
 _BaseDataUpdateCoordinatorT = TypeVar(
     "_BaseDataUpdateCoordinatorT", bound="BaseDataUpdateCoordinatorProtocol"
 )
 _DataUpdateCoordinatorT = TypeVar(
-    "_DataUpdateCoordinatorT",
-    bound="DataUpdateCoordinator[Any]",
-    default="DataUpdateCoordinator[dict[str, Any]]",
+    "_DataUpdateCoordinatorT", bound="DataUpdateCoordinator[Any]"
 )