code: def make_tempdir(self) -> pathlib.Path:
      tmp_folder = pathlib.Path(tempfile.mkdtemp(prefix="caffe2_test."))
      self.addCleanup(self._remove_tempdir, tmp_folder)
      return tmp_folder
  
imports: import numpy
  from caffe2.python import core, workspace
  import os
  import pathlib
  import shutil
  import tempfile
  import unittest
  from typing import Any, Callable, Tuple, Type
  from types import TracebackType
label_desc: Use image node_id 4 for calling the TestCase obj's underlying member method code with example usage: obj.make_tempdir() and returns: tmp_folder