def _prepare(self):
        super(ColorDialog, self)._prepare()
        self.selected_color = None
:param IDeployer deployer: The deployer which the loop service can use
dataset/ETHPy150Open nucleic/enaml/enaml/widgets/color_dialog.py/ColorDialog._prepare--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/script.py/AgentService.get_loop_service