Update agent.py

agent.py

@@ -14,6 +14,7 @@ from langchain_core.messages import SystemMessage, HumanMessage
 from langchain_core.tools import tool
 from langchain.tools.retriever import create_retriever_tool
 from supabase.client import Client, create_client
+from langchain_groq import ChatGroq
 
 load_dotenv()