code: def test_audio_decoder_correctness():
      dtype = types.INT16
      for fmt in ["wav", "flac", "ogg"]:
          yield check_audio_decoder_correctness, fmt, dtype
  
imports: from nvidia.dali import Pipeline, pipeline_def
  import nvidia.dali.fn
  import nvidia.dali.ops
  import nvidia.dali.types
  import scipy.io.wavfile
  import numpy
  import os
  from test_audio_decoder_utils import generate_waveforms, rosa_resample
  from test_utils import compare_pipelines, get_files
label_desc: Use image node_id 7 for calling a global function with example usage: test_audio_decoder_correctness() without return types