Fix alias type for python 3.9

Author: huynguyengl99

stubs/channels/METADATA.toml

@@ -1,7 +1,6 @@
 version = "4.*"
 upstream_repository = "https://github.com/django/channels"
 requires = ["django-stubs", "asgiref"]
-requires_python = ">=3.10"
 
 [tool.stubtest]
 skip = true  # due to the need of django mypy plugin config, it should be skipped.

stubs/channels/channels/apps.pyi

@@ -1,6 +1,5 @@
 from django.apps import AppConfig
-from django.utils.functional import _StrOrPromise
 
 class ChannelsConfig(AppConfig):
     name: str = ...
-    verbose_name: _StrOrPromise = ...
+    verbose_name: str = ...

stubs/channels/channels/layers.pyi

@@ -1,7 +1,7 @@
 import asyncio
 from re import Pattern
-from typing import Any, TypeAlias, overload
-from typing_extensions import deprecated
+from typing import Any, overload
+from typing_extensions import TypeAlias, deprecated
 
 class ChannelLayerManager:
     backends: dict[str, BaseChannelLayer]

stubs/channels/channels/testing/live.pyi

@@ -1,5 +1,6 @@
 from collections.abc import Callable
-from typing import Any, ClassVar, TypeAlias
+from typing import Any, ClassVar
+from typing_extensions import TypeAlias
 
 from channels.routing import ProtocolTypeRouter
 from channels.utils import _ChannelApplication

stubs/channels/channels/testing/websocket.pyi

@@ -1,6 +1,6 @@
 from collections.abc import Iterable
-from typing import Any, Literal, TypeAlias, TypedDict, overload
-from typing_extensions import NotRequired
+from typing import Any, Literal, TypedDict, overload
+from typing_extensions import NotRequired, TypeAlias
 
 from asgiref.typing import ASGIVersions
 from channels.testing.application import ApplicationCommunicator

stubs/channels/channels/utils.pyi

@@ -1,5 +1,6 @@
 from collections.abc import Awaitable, Callable
-from typing import Any, Protocol, TypeAlias
+from typing import Any, Protocol
+from typing_extensions import TypeAlias
 
 from asgiref.typing import ASGIApplication, ASGIReceiveCallable