Fix ISY994 hidden property

homeassistant/components/isy994.py

@@ -116,7 +116,6 @@ class ISYDeviceABC(ToggleEntity):
     def __init__(self, node):
         # setup properties
         self.node = node
-        self.hidden = HIDDEN_STRING in self.raw_name
 
         # track changes
         self._change_handler = self.node.status. \
@@ -181,6 +180,11 @@ class ISYDeviceABC(ToggleEntity):
         return self.raw_name.replace(HIDDEN_STRING, '').strip() \
             .replace('_', ' ')
 
+    @property
+    def hidden(self):
+        """ Suggestion if the entity should be hidden from UIs. """
+        return HIDDEN_STRING in self.raw_name
+
     def update(self):
         """ Update state of the sensor. """
         # ISY objects are automatically updated by the ISY's event stream