Update app.py

app.py

@@ -35,7 +35,7 @@ async def factory():
             temperature=0,
             model_name="gpt-3.5-turbo-0613:personal::7sckuHOj",
             streaming=True,
-            context_window=2048
+            context_window=2048,
         ),
     )
     service_context = ServiceContext.from_defaults(