尝试运行频谱示例plot_spectrogram.py时出错

Question

我正在尝试运行光谱示例plot_spectrogram.py

但是无法理解错误块（非数据）

   python plot_spectrogram.py
    /home/keith/miniconda3/lib/python3.7/site-packages/scipy   /io/wavfile.py:273: WavFileWarning: Chunk (non-data) not understood, skipping it.
  WavFileWarning)
    Duration: 7.116961451247166
    W: 4096
    ws: 128
    Computing 1226 TFs
    done