def __init__(self, message_listener, message_descriptor):
    super(RepeatedCompositeFieldContainer, self).__init__(message_listener)
    self._message_descriptor = message_descriptor
MetricsQuery.execute() should return a MetricsResponse object, and
dataset/ETHPy150Open sklearn-theano/sklearn-theano/sklearn_theano/externals/google/protobuf/internal/containers.py/RepeatedCompositeFieldContainer.__init__--crossover with--dataset/ETHPy150Open andycasey/ads/ads/tests/test_metrics.py/TestMetricsQuery.test_execute