Update: Authentication update

app.py

@@ -1,8 +1,13 @@
 import gradio as gr
-pdf_loaded = False
-processing = False
 from src.brain import generate_answers
+from huggingface_hub import login
+import os
+from dotenv import load_dotenv
+load_dotenv
+HUGGINGFACE_TOKEN = os.environ.get('HUGGINGFACE_TOKEN')
+login(token=HUGGINGFACE_TOKEN)
 
+processing = False
 def response(query, history):
     global processing
     processing = True