Update app.py

app.py

@@ -40,7 +40,7 @@ def init_conn():
               'Accept-Language': 'en-US,en;q=0.8',
               'Connection': 'keep-alive'}
 
-        gc_con = gspread.service_account_from_dict(creds, scope)
+        gc_con = gspread.service_account_from_dict(credentials, scope)
       
         return gc_con