Update app.py

app.py

@@ -23,14 +23,14 @@ def respond(message, history):
 
     response = ""
 
-    for message in client.chat_completion(
+    for chunk in client.chat_completion(
         messages,
         max_tokens=256,
         temperature=0.7,
         top_p=0.9,
         stream=True,
     ):
-        token = message.choices[0].delta.content
+        token = chunk.choices[0].delta.content
         response += token
         yield response