Update app.py

app.py

@@ -24,7 +24,7 @@ def respond(message, history):
         #temperature = 0.3,
         #top_p = 0.3
     ):
-        token = messages.choices[0].delta.content
+        token = message.choices[0].delta.content
         response += token
         yield response
     # change length using max_tokens