code: def setUp(self):
      # Work in a temporary directory to avoid cluttering the repository
      self.origdir = os.getcwd()
      self.tmpdir = mkdtemp()
      os.chdir(self.tmpdir)
  
file_path: Theano/theano/misc/tests/test_pkl_utils.py
imports: from __future__ import absolute_import, print_function, division
  import os
  import shutil
  import unittest
  from tempfile import mkdtemp
  import numpy
  import theano
  from theano.sandbox.rng_mrg import MRG_RandomStreams
  from theano.misc.pkl_utils import dump, load, StripPickler
label_desc: Use image node_id 1 for calling the TestStripPickler obj's underlying member method code with example usage: obj.setUp() without return types