code: def setUpClass(cls):
      cls.m = GreedyRuleListClassifier()
  
file_path: imodels/tests/grl_test.py
imports: import unittest
  import numpy
  from imodels.rule_list.greedy_rule_list import GreedyRuleListClassifier
  import sklearn
  from sklearn.model_selection import train_test_split
label_desc: Use image node_id 1 for calling the TestGRL obj's underlying member method code with example usage: obj.setUpClass(cls) without return types