Update app.py

app.py

@@ -1,6 +1,7 @@
 from langchain import hub
-from langchain.agents import AgentExecutor, create_openai_tools_agent, load_tools
-from langchain_openai import ChatOpenAI
+from langchain.agents import AgentExecutor
+#from langchain_openai import ChatOpenAI
+from langchain_community.agent_toolkits.load_tools import load_tools
 from gradio import ChatMessage
 import gradio as gr
 import os