code: def _import_sox_ext():
      if os.name == "nt":
          raise RuntimeError(
              "sox extension is not supported on Windows"
          )
      if not eval_env("TORCHAUDIO_USE_SOX", True):
          raise RuntimeError(
              "sox extension is disabled. (TORCHAUDIO_USE_SOX=0)"
          )
  
      ext = "torchaudio.lib._torchaudio_sox"
  
      if not importlib.util.find_spec(ext):
          raise RuntimeError(
              # fmt: off
              "TorchAudio is not built with sox extension. "
              "Please build TorchAudio with libsox support. (BUILD_SOX=1)"
              # fmt: on
          )
  
      _load_lib("libtorchaudio_sox")
      return importlib.import_module(ext)
  
imports: import importlib
  import logging
  import os
  import types
  from pathlib import Path
  import torch
  from torchaudio._internal.module_utils import eval_env
label_desc: Use image node_id 3 for calling a global function with example usage: _import_sox_ext() and returns: importlib