code: def test_default_args(self):
      dt_multi = DecisionTreeSupervisedDiscretiserMethod()
      params = dt_multi.get_params()
      assert params["tree_params"]["max_depth"] == 2
  
file_path: causalnex/tests/discretiser/test_decision_tree.py
imports: import numpy
  import pytest
  from causalnex.discretiser.discretiser_strategy import DecisionTreeSupervisedDiscretiserMethod
label_desc: Use image node_id 8 for calling the TestDecisionTree obj's underlying member method code with example usage: obj.test_default_args() without return types