code: def batch_compute(
      self,
      xx: List[Union[np.ndarray, "tsFrame"]],
  ):
      return [self.feat_compute(x) for x in xx]
  
file_path: AIX360/aix360/algorithms/tsutils/tsfeatures/tsfeatures.py
imports: import numpy
  from typing import Union, List
  from abc import ABC, abstractmethod
  from aix360.algorithms.tsutils.tsframe import tsFrame
label_desc: Use image node_id 3 for calling the TSFeatures obj's underlying member method code with example usage: obj.batch_compute(xx) and returns: unknown