code: def test_decompress(self, extension, tmpdir, use_pathlib):
      def create_compressed(root, content="this is the content"):
          file = os.path.join(root, "file")
          compressed = f"{file}{extension}"
          compressed_file_opener = _COMPRESSED_FILE_OPENERS[extension]
  
          with compressed_file_opener(compressed, "wb") as fh:
              fh.write(content.encode())
  
          return compressed, file, content
  
      compressed, file, content = create_compressed(tmpdir)
      if use_pathlib:
          compressed = pathlib.Path(compressed)
  
      utils._decompress(compressed)
  
      assert os.path.exists(file)
  
      with open(file) as fh:
          assert fh.read() == content
  
imports: import contextlib
  import gzip
  import os
  import pathlib
  import re
  import tarfile
  import zipfile
  import pytest
  import torch
  import torchvision.datasets.utils
  from common_utils import assert_equal
  from torch._utils_internal import get_file_path_2
  from torchvision.datasets.folder import make_dataset
  from torchvision.datasets.utils import _COMPRESSED_FILE_OPENERS
label_desc: Use image node_id 9 for calling the TestDatasetsUtils obj's underlying member method code with example usage: obj.test_decompress(extension, tmpdir, use_pathlib) and returns: compressed,  file,  content