code: def setUp(self):
      self.fixtures = contextlib.ExitStack()
      self.addCleanup(self.fixtures.close)
  
imports: import io
  import itertools
  import contextlib
  import pathlib
  import pickle
  import sys
  import unittest
  import zipfile
  from ._functools import compose
  from ._itertools import Counter
  from ._test_params import parameterize, Invoked
  from test.support.os_helper import temp_dir
label_desc: Use image node_id 1 for calling the TestPath obj's underlying member method code with example usage: obj.setUp() without return types