Update app.py

app.py

@@ -23,7 +23,7 @@ def respond(message, history):
         messages, max_tokens=100
     )
     
-    return response['choices'][0]['messages']['content'].strip()
+    return response['choices'][0]['message']['content'].strip()
 
 chatbot = gr.ChatInterface(respond, type="messages")
 chatbot.launch()