Update app.py

app.py

@@ -5,9 +5,10 @@ import gradio as gr
 from datetime import datetime
 import gspread
 from google.oauth2.service_account import Credentials
+import os
 
 # Google Sheets settings
-SHEET_ID = '1ckM1GgD3hG_eTsa_7CGCB7qf8AyKKDII_yIOWwKaWvA'  # Replace with your Google Sheet ID
+SHEET_ID = os.getenv('SHEET_ID')  # Replace with your Google Sheet ID
 USERS_SHEET = 'Users'
 PURCHASE_ORDERS_SHEET = 'PurchaseOrders'