diff --git a/pyhon/appliances/wh.py b/pyhon/appliances/wh.py
index 9016646..3af1bd0 100644
--- a/pyhon/appliances/wh.py
+++ b/pyhon/appliances/wh.py
@@ -7,4 +7,4 @@ class Appliance(ApplianceBase):
         data = super().attributes(data)
         data["active"] = data["parameters"]["onOffStatus"] == "1"
 
-        return data
\ No newline at end of file
+        return data
diff --git a/pyhon/commands.py b/pyhon/commands.py
index 897d4b4..2132705 100644
--- a/pyhon/commands.py
+++ b/pyhon/commands.py
@@ -75,14 +75,14 @@ class HonCommand:
         for name, parameter in self._parameters.items():
             result.setdefault(parameter.group, {})[name] = parameter.intern_value
         return result
-    
+
     @property
     def mandatory_parameter_groups(self) -> Dict[str, Dict[str, Union[str, float]]]:
         result: Dict[str, Dict[str, Union[str, float]]] = {}
         for name, parameter in self._parameters.items():
             if parameter.mandatory:
                 result.setdefault(parameter.group, {})[name] = parameter.intern_value
-        return result    
+        return result
 
     @property
     def parameter_value(self) -> Dict[str, Union[str, float]]: