remove json output

app.py

@@ -37,7 +37,7 @@ def predict(message, history, system_prompt):
     response = client.chat.completions.create(
         model='gpt-4-1106-preview',
         messages= history_openai_format,
-        response_format={ "type": "json_object" },
+        # response_format={ "type": "json_object" },
         stream=True
     )