code: def setup_class(cls):
      cls.tempdir = tempfile.mkdtemp()
  
file_path: pyvips/tests/test_saveload.py
imports: import os
  import tempfile
  import pytest
  import pyvips
  from helpers import temp_filename, skip_if_no, _is_PY3, IMAGES, JPEG_FILE
label_desc: Use image node_id 1 for calling the TestSaveLoad obj's underlying member method code with example usage: obj.setup_class(cls) without return types