def remove_all_observers(self):
        
        self._init_observers()
Sets the previous error and returns self.
dataset/ETHPy150Open ipython/ipython-py3k/IPython/utils/notification.py/NotificationCenter.remove_all_observers--crossover with--dataset/ETHPy150Open SpockBotMC/SpockBot/spockbot/plugins/tools/task.py/TaskFailed.with_error