def _action_callback(self, action):
        """Called when the user selects an action on the notification, to
        dispatch it to the relevant user-specified callback.
        """
        try:
            label, callback, user_data = self.actions[action]
        except __HOLE__:
            return
        
        if user_data is None:
            callback(self, action)
        else:
            callback(self, action, user_data)
dataset/ETHPy150Open raelgc/scudcloud/scudcloud/notify2.py/Notification._action_callback