Update agent.py

agent.py

@@ -14,7 +14,8 @@ from supabase.client import Client, create_client
 from langchain.chat_models import init_chat_model
 import random
 from typing import Annotated,TypedDict
-from langchain_core.messages import AnyMessage, HumanMessage, AIMessage,add_messages,SystemMessage
+from langchain_core.messages import AnyMessage, HumanMessage, AIMessage,SystemMessage
+from langgraph.graph.message import add_messages
 
 
 load_dotenv()