import tensorflow as tf

          analyzer_nodes.TensorInfo(
              tf.as_dtype(self._output_numpy_dtype), self._output_shape, None)
      ] * 2
    else:
      return [
          analyzer_nodes.TensorInfo(
              tf.as_dtype(np.int64), self._output_shape, None),
          analyzer_nodes.TensorInfo(
              tf.as_dtype(self._output_numpy_dtype), self._output_shape, None),
          analyzer_nodes.TensorInfo(
              tf.as_dtype(self._output_numpy_dtype), self._output_shape, None),
          analyzer_nodes.TensorInfo(
              tf.as_dtype(self._output_numpy_dtype), self._output_shape, None)
      ]

  def _combine_mean_and_var_accumulators(
