Update app.py

app.py

@@ -4,7 +4,7 @@ from flask.sessions import SecureCookieSessionInterface  # Import the class
 from salesforce import get_salesforce_connection
 from datetime import timedelta
 import os
-from menu_page import menu_page
+from .menu_page import menu_page  # for relative imports within the same package
 from cart_page import cart_page
 from order_page import order_page