code: def tearDown(self):
      shutil.rmtree(self.automl_dir, ignore_errors=True)
  
imports: import os
  import unittest
  import tempfile
  import json
  import numpy
  import pandas
  import shutil
  from sklearn import datasets
  from sklearn.pipeline import make_pipeline
  from sklearn.decomposition import PCA
  from supervised import AutoML
  from supervised.exceptions import AutoMLException
label_desc: Use image node_id 1 for calling the AutoMLTest obj's underlying member method code with example usage: obj.tearDown() without return types