Ignore UnboundLocalError if runner doesn't get defined

aio-libs · Jan 15, 2021 · 5044da0 · 5044da0
1 parent 2c79925
commit 5044da0
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/aiohttp/web.py b/aiohttp/web.py
@@ -517,7 +517,11 @@ async def main_runner() -> None:
             while True:
                 await asyncio.sleep(delay)
         finally:
-            await runner.cleanup()
+            try:
+                await runner.cleanup()
+            except UnboundLocalError:
+                # An error was raised before runner had been defined
+                pass
 
     try:
         main_task = loop.create_task(main_runner())