Update app.py

app.py

@@ -2,8 +2,10 @@ from dotenv import load_dotenv
 import streamlit as st
 from langchain_experimental.agents import create_csv_agent
 from langchain.llms import HuggingFaceHub
+import os
 
 load_dotenv()
+os.environ.getattribute("HF_TOKEN")
 
 def main():
     st.set_page_config(