Update app.py

app.py

@@ -114,7 +114,7 @@ def chat_gpt_ep(content: Text = None):
     url = 'https://api.openai.com/v1/chat/completions'
     obj = json.loads(content.content)
     data = {
-        "model": obj['model']
+        "model": obj['model'],
         "messages": obj['messages']
     }
     print("data = \n", data)