reduce

src/aiohappyeyeballs/_staggered.py

@@ -152,6 +152,8 @@ async def run_one_coro(
                     loop.call_later(delay, _set_result, start_next) if delay else None
                 )
             elif not tasks:
+                # We exhausted the coro_fns list and no tasks are running
+                # so we have no winner and all coroutines failed.
                 break
 
             while tasks: