Update app.py

app.py

@@ -15,7 +15,7 @@ def respond(message, history):
     response = client.chat_completion(messages, max_tokens = 100)
 
     
-    return response ["choices"] (0)["message"]["content"].strip()
+    return response["choices"][0]["message"]["content"].strip()
 
 def echo(messaged, history):
     my_list = ["sure", "ask again", "maybe"]