diff --git a/pyhon/appliances/wh.py b/pyhon/appliances/wh.py
index 3af1bd0..4aa1a3c 100644
--- a/pyhon/appliances/wh.py
+++ b/pyhon/appliances/wh.py
@@ -2,6 +2,7 @@ from typing import Any, Dict
 
 from pyhon.appliances.base import ApplianceBase
 
+
 class Appliance(ApplianceBase):
     def attributes(self, data: Dict[str, Any]) -> Dict[str, Any]:
         data = super().attributes(data)