def flush(self):
        for attr in self.attributes:
            delattr(self, attr)
:return: A Deferred that fires with an errback if the desired
dataset/ETHPy150Open oleiade/Elevator/debian/elevator/usr/lib/python2.6/dist-packages/elevator/env.py/Environment.flush--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/benchmark/scenarios/no_load.py/NoLoadScenario.maintained