Update app.py

app.py

@@ -13,12 +13,12 @@ def respond(message, history):
     messages.append({"role" : "user", "content" : message})
     
     response = ""
-    for messages in client.chat_completion(
+    for message in client.chat_completion(
         messages, 
         max_tokens = 130,
         stream=True,
     ):
-        token = messages.choices[0].delta.content
+        token = message.choices[0].delta.content
         response += token
         yield response