docs: def isVisible(self):
          """
          Returns whether or not this layer is visible.  If the inheritVisibility
          value is set to True, then this will look up its parent hierarchy to \
          ensure it is visible.
          
          :return     <bool>
          """
          if self._visible and self._inheritVisibility and self._parent:
              return self._parent.isVisible()
          
          return self._visible