Fix ASGI application on `test_multiprocess.py`
@@ -9,7 +9,7 @@ if TYPE_CHECKING:
from asgiref.typing import ASGIReceiveCallable, ASGISendCallable, Scope
-def app(
+async def app(
scope: "Scope", receive: "ASGIReceiveCallable", send: "ASGISendCallable"
) -> None:
pass # pragma: no cover
