def init(self,  duration=2):
        self.duration = duration
Normalize the QingCloud instance data. Used by list_nodes()-related
dataset/ETHPy150Open los-cocos/cocos/cocos/actions/camera_actions.py/Camera3DAction.init--crossover with--dataset/ETHPy150Open saltstack/salt/salt/cloud/clouds/qingcloud.py/_show_normalized_node