def METHOD_NAME(self):
    """
    Overridden from Workflow base class
    Called when an applet has fired the :py:attr:`Applet.appletStateUpdateRequested`
    """
    # If no data, nothing else is ready.
    serverConfig_finished = self.serverConfigApplet.topLevelOperator.ServerConfig.ready()
    super().METHOD_NAME(upstream_ready=serverConfig_finished)