Update app.py

app.py

@@ -136,7 +136,7 @@ async def task_events(task_id: str):
                     last_event_time = time.time()
 
                     if event["type"] in ["complete", "error"]:
-                    break
+                        break
                 except asyncio.TimeoutError:
                     # Send heartbeat to keep connection alive
                     yield ": heartbeat\n\n"