fix

venv/lib/python3.11/site-packages/uvicorn/loops/asyncio.py

@@ -0,0 +1,10 @@
+import asyncio
+import logging
+import sys
+
+logger = logging.getLogger("uvicorn.error")
+
+
+def asyncio_setup(use_subprocess: bool = False) -> None:
+    if sys.platform == "win32" and use_subprocess:
+        asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())  # pragma: full coverage

venv/lib/python3.11/site-packages/uvicorn/loops/auto.py

@@ -0,0 +1,11 @@
+def auto_loop_setup(use_subprocess: bool = False) -> None:
+    try:
+        import uvloop  # noqa
+    except ImportError:  # pragma: no cover
+        from uvicorn.loops.asyncio import asyncio_setup as loop_setup
+
+        loop_setup(use_subprocess=use_subprocess)
+    else:  # pragma: no cover
+        from uvicorn.loops.uvloop import uvloop_setup
+
+        uvloop_setup(use_subprocess=use_subprocess)

venv/lib/python3.11/site-packages/uvicorn/loops/uvloop.py

@@ -0,0 +1,7 @@
+import asyncio
+
+import uvloop
+
+
+def uvloop_setup(use_subprocess: bool = False) -> None:
+    asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())