code: def test_tree_export_issue_1831(self):
      SEED = 42
      data = tc.SFrame.read_csv(mushroom_dataset)
      data["target"] = data["label"]
      train_data, test_data = data.random_split(0.8, seed=SEED)
      model = tc.boosted_trees_classifier.create(
          train_data, target="target", max_iterations=2, max_depth=3
      )
      self._test_coreml_export(model, test_data, False)
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import unittest
  import tempfile
  import turicreate
  import math
  import uuid
  import random
  import copy
  from turicreate.toolkits import evaluation
  from turicreate.toolkits._main import ToolkitError
  from turicreate.toolkits._internal_utils import _mac_ver
  import shutil
  import numpy
  import sys
  import platform
  import array
  import os
  import pytest
label_desc: Use image node_id 32 for calling the CoreMLExportTest obj's underlying member method code with example usage: obj.test_tree_export_issue_1831() without return types