Update app.py

app.py

@@ -1,9 +1,9 @@
 import os
 import requests
 import gradio as gr
-# CRITICAL FIX: In LangChain v0.2+ (the latest version you are likely running 
-# after removing pins), AgentExecutor was moved to the 'langchain_core' package.
-from langchain_core.agents import AgentExecutor  # <-- MODIFIED for modern architecture
+# CRITICAL FIX: AgentExecutor is no longer in langchain_core.agents. 
+# It is now correctly imported from the 'langchain.agents' module in recent versions.
+from langchain.agents import AgentExecutor # <-- MODIFIED the import path
 from langchain.agents.react.base import create_react_agent 
 from langchain.tools import Tool
 from langchain.prompts import PromptTemplate