code: def range(self):
      raise NotImplemented
  
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 4 for calling the TSFeatures obj's underlying member method code with example usage: obj.range() without return types