Update gen.py

gen.py

@@ -1237,7 +1237,17 @@ async def create_response(
         
             if sent_created and not completed:
                 print("[RESPONSES STREAM] guard firing — upstream closed without [DONE]")
-                done_event = json.dumps({...})
+                done_event = json.dumps({
+                    "type": "response.completed",
+                    "response": {
+                        "id": response_id,
+                        "object": "response",
+                        "model": model_label,
+                        "status": "completed",
+                        "output": [],
+                        "usage": None,
+                    },
+                })
                 yield f"data: {done_event}\n\n"
 
         return StreamingResponse(