Update app.py

app.py

@@ -1,7 +1,7 @@
 # app.py
 import streamlit as st
 from modules.database import initialize_mongodb_connection
-from modules.auth import authenticate_user, get_user_role, register_user
+from modules.auth import authenticate_user, register_user
 from modules.ui import (
     main,
     login_register_page,