Update app.py

app.py

@@ -6,6 +6,7 @@ from openai import OpenAI
 from optillm.moa import mixture_of_agents 
 from optillm.mcts import chat_with_mcts
 from optillm.bon import best_of_n_sampling
+from optillm.cot_reflection import cot_reflection
 
 API_KEY = os.environ.get("HF_TOKEN")
 
@@ -33,7 +34,7 @@ def respond(
 
     # response = ""
 
-    final_response = mixture_of_agents(system_message, message, client, model)
+    final_response = cot_reflection(system_message, message, client, model)
     return final_response
 
     # for message in client.chat_completion(