code: def load_audio(file_path):
      try:
          import librosa
      except ModuleNotFoundError:
          raise ModuleNotFoundError(
              "Missed librosa library. Install import librosa by `pip install librosa`"
          )
  
      return librosa.load(file_path)
  
label_desc: Use image node_id 1 for calling the AudioLoader obj's underlying member method code with example usage: obj.load_audio(file_path) and returns: librosa