def _notify_layer_update(self, **kwargs):
    message = LayerArtistUpdatedMessage(self)
    if ((self.layer is not None) and (self.layer.hub is not None)):
        self.layer.hub.broadcast(message)
def _notify_layer_update(self, **kwargs):
    message = LayerArtistUpdatedMessage(self)
    if ((self.layer is not None) and (self.layer.hub is not None)):
        self.layer.hub.broadcast(message)