code: def __init__(self, path, mode):
      assert mode == "r"
      self.path = path
      self._params = _get_mock_params(path)
      self._start = None
  
imports: import os
  import tarfile
  from unittest.mock import patch
  import torch
  from parameterized import parameterized
  from torchaudio._internal import module_utils
  from torchaudio.backend import soundfile_backend
  from torchaudio_unittest.common_utils import get_wav_data, load_wav, normalize_wav, PytorchTestCase, save_wav, skipIfNoModule, TempDirMixin
  from .common import dtype2subtype, parameterize, skipIfFormatNotSupported
label_desc: Use image node_id 1 to create a new SoundFileMock object  with example: obj = SoundFileMock(path, mode)