code: def test_HistGBDT_classifier_binary_converter(self):
      self._run_GB_trees_classifier_converter(2)
  
imports: import unittest
  import warnings
  import numpy
  import torch
  from sklearn.ensemble._hist_gradient_boosting.gradient_boosting import HistGradientBoostingClassifier, HistGradientBoostingRegressor
  import hummingbird.ml
  from tree_utils import gbdt_implementation_map
label_desc: Use image node_id 3 for calling the TestSklearnHistGradientBoostingClassifier obj's underlying member method code with example usage: obj.test_HistGBDT_classifier_binary_converter() without return types