Update chatbot.py

chatbot.py

@@ -1,6 +1,11 @@
 import streamlit as st
 from transformers import AutoTokenizer, AutoModelForCausalLM, pipeline, BitsAndBytesConfig
 import torch
+from huggingface_hub import login
+import os
+
+# Force authentication
+login(token=os.getenv("HF_TOKEN"))
 
 # ================= CACHE THE MODEL =================
 @st.cache_resource