def METHOD_NAME(self, sources):
    sample_rate = 8000
    nfft = 1024
    depth = 5
    torch.random.manual_seed(0)
    factory_hdemucs = hdemucs_low(sources).to(self.device).eval()
    self._assert_equal_models(factory_hdemucs, depth, nfft, sample_rate, sources)