code: def test_float64_lgbm_perf_tree_trav_classifier_converter(self):
      self._run_float64_lgbm_classifier_converter(
          2, extra_config={"tree_implementation": "perf_tree_trav"}
      )
  
imports: import unittest
  import warnings
  import numpy
  import hummingbird.ml
  from hummingbird.ml import constants
  from hummingbird.ml._utils import lightgbm_installed, onnx_runtime_installed, tvm_installed
  from tree_utils import gbdt_implementation_map
label_desc: Use image node_id 32 for calling the TestLGBMConverter obj's underlying member method code with example usage: obj.test_float64_lgbm_perf_tree_trav_classifier_converter() without return types