Update app.py

app.py

@@ -239,10 +239,10 @@ async def streamres(request: Request):
         'model': model,
         'messages': messages,
         'max_tokens': 150000,
-        'stream': True
+        'stream': True,
         'transforms': [
             'middle-out',
-        ],
+        ]
     }
 
     async def proxy_stream():