class_docstr: Test the process of importing the models from demucs.
  
  Test methods in this test suite will check to assure correctness in factory functions,
  comparing with original hybrid demucs
class_docstr_tok: ["Test","the","process","of","importing","the","models","from","demucs",".","Test","methods","in","this","test","suite","will","check","to","assure","correctness","in","factory","functions",",","comparing","with","original","hybrid","demucs"]
code: def _get_original_model(
      self, sources: List[str], nfft: int, depth: int
  ):
      from demucs import hdemucs as original
  
      original = original.HDemucs(sources, nfft=nfft, depth=depth)
      return original
  
imports: import itertools
  from typing import List
  import torch
  from parameterized import parameterized
  from torchaudio.models._hdemucs import _HDecLayer, _HEncLayer, HDemucs, hdemucs_high, hdemucs_low
  from torchaudio_unittest.common_utils import skipIfNoModule, TestBaseMixin, TorchaudioTestCase
label_desc: Use image node_id 1 for calling the CompareHDemucsOriginal obj's underlying member method code with example usage: obj._get_original_model(sources, nfft, depth) and returns: original