def flush(self):
    raise NotImplementedError()
Determine if the attribute is set.
dataset/ETHPy150Open GoogleCloudPlatform/appengine-mapreduce/python/src/mapreduce/context.py/Pool.flush--crossover with--dataset/ETHPy150Open google/grr/grr/lib/aff4.py/AFF4Object.IsAttributeSet