code: def test_recursive_dict_copy_constructor():
      dict_values = {"hp": 1, "stepa__hp": 2, "stepa__stepb__hp": 3}
      r = RecursiveDict(RecursiveDict(**dict_values), separator="__")
  
      assert r == RecursiveDict(**dict_values)
  
file_path: Neuraxle/testing_neuraxle/test_recursive_dict.py
imports: import pytest
  from neuraxle.hyperparams.space import RecursiveDict, HyperparameterSamples
label_desc: Use image node_id 6 for calling a global function with example usage: test_recursive_dict_copy_constructor() without return types