code: def skipIfNoSoxDecoder(ext):
      return _skipIf(
          not _IS_SOX_AVAILABLE
          or ext not in torchaudio.utils.sox_utils.list_read_formats(),
          f'sox does not handle "{ext}" for read.',
          key="NO_SOX_DECODER",
      )
  
imports: import functools
  import os.path
  import shutil
  import subprocess
  import sys
  import tempfile
  import time
  import unittest
  from itertools import zip_longest
  import torch
  import torchaudio
  import torio
  from torch.testing._internal.common_utils import TestCase
  from torchaudio._internal.module_utils import eval_env, is_module_available
  from torchaudio.utils.ffmpeg_utils import get_video_decoders, get_video_encoders
label_desc: Use image node_id 8 for calling a global function with example usage: skipIfNoSoxDecoder(ext) and returns: _skipIf