Revert "use more modern version for types"

This reverts commit 9b49172.
encode · whilenot-dev · Dec 5, 2024 · Dec 5, 2024 · Dec 5, 2024 · Dec 5, 2024
commit 339d6445aea1113a5d6ef0ef4fbcf3c3bc1c9918
diff --git a/uvicorn/lifespan/on.py b/uvicorn/lifespan/on.py
@@ -3,7 +3,7 @@
 import asyncio
 import logging
 from asyncio import Queue
-from typing import Any
+from typing import Any, Optional, Union, cast
 
 from uvicorn import Config
 from uvicorn._types import (
@@ -16,16 +16,13 @@
     LifespanStartupFailedEvent,
 )
 
-LifespanReceiveMessage = (
-      LifespanStartupEvent
-    | LifespanShutdownEvent
-)
-LifespanSendMessage = (
-      LifespanStartupFailedEvent
-    | LifespanShutdownFailedEvent
-    | LifespanStartupCompleteEvent
-    | LifespanShutdownCompleteEvent
-)
+LifespanReceiveMessage = Union[LifespanStartupEvent, LifespanShutdownEvent]
+LifespanSendMessage = Union[
+    LifespanStartupFailedEvent,
+    LifespanShutdownFailedEvent,
+    LifespanStartupCompleteEvent,
+    LifespanShutdownCompleteEvent,
+]
 
 
 STATE_TRANSITION_ERROR = "Got invalid state transition on lifespan protocol."
@@ -83,7 +80,7 @@ async def main(self) -> None:
             app = self.config.loaded_app
 
             # inject worker id into app state
-            uvicorn_worker_id: int | None = self.state.get("uvicorn_worker_id")
+            uvicorn_worker_id = cast(Optional[int], self.state.get("uvicorn_worker_id"))
             if uvicorn_worker_id is not None and hasattr(app.app, "__iter__") and "state" in app.app:
                 app.app.state.uvicorn_worker_id = uvicorn_worker_id