Check startup was called before calling destroy in __del__ magic

azure/functions/_http_asgi.py

@@ -271,10 +271,10 @@ async def notify_startup(self):
 
     async def notify_shutdown(self):
         """Notify the ASGI app that the server is shutting down."""
-        self._logger.debug("Notifying ASGI app of shutdown.")
         if not self.lifespan_receive_queue or not self.lifespan_shutdown_event:
             raise RuntimeError("notify_startup() must be called first.")
 
+        self._logger.debug("Notifying ASGI app of shutdown.")
         shutdown_event = {"type": "lifespan.shutdown"}
         await self.lifespan_receive_queue.put(shutdown_event)
         await self.lifespan_shutdown_event.wait()

azure/functions/decorators/function_app.py

@@ -2133,7 +2133,8 @@ def __init__(self, app,
         self.startup_task_done = False
 
     def __del__(self):
-        asyncio.run(self.middleware.notify_shutdown())
+        if self.startup_task_done:
+            asyncio.run(self.middleware.notify_shutdown())
 
     def _add_http_app(self,
                       http_middleware: Union[