docs: def deserialize_ndarray(d):
      """
      Deserializes a JSONified :obj:`numpy.ndarray`. Can handle arrays serialized
      using any of the methods in this module: :obj:`"npy"`, :obj:`"b64"`,
      :obj:`"readable"`.
  
      Args:
          d (`dict`): A dictionary representation of an :obj:`ndarray` object.
  
      Returns:
          An :obj:`ndarray` object.
      """
      if 'data' in d:
          x = np.fromstring(
              base64.b64decode(d['data']),
              dtype=d['dtype'])
          x.shape = d['shape']
          return x
      elif 'value' in d:
          return np.array(d['value'], dtype=d['dtype'])
      elif 'npy' in d:
          return deserialize_ndarray_npy(d)
      else:
          raise ValueError('Malformed np.ndarray encoding.')