Update app.py

app.py

@@ -1,9 +1,15 @@
 import streamlit as st
 from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
 import torch
+import os
 
-# Hugging Face Token for Authentication
-HUGGINGFACE_TOKEN = "your_hugging_face_token_here"  # Replace with your token
+# Retrieve the Hugging Face token from environment variable
+HUGGINGFACE_TOKEN = os.getenv("HF_ACCESS_TOKEN")
+
+# Check if the token is available
+if not HUGGINGFACE_TOKEN:
+    st.error("Hugging Face token not found. Please set the HUGGINGFACE_TOKEN environment variable.")
+    st.stop()  # Stop the app if the token is not found
 
 # Function to load model and tokenizer (local or Hugging Face with token)
 def load_model(model_path):