docs: def isEnabled(self):
          """
          Returns whether or not this connection is enabled.
          
          :sa     disableWithLayer
          
          :return     <bool>
          """
          if self._disableWithLayer and self._layer:
              lenabled = self._layer.isEnabled()
          elif self._inputNode and self._outputNode:
              lenabled = self._inputNode.isEnabled() and self._outputNode.isEnabled()
          else:
              lenabled = True
  
          return self._enabled and lenabled