Need ffmpeg exe. You can download it by calling: imageio.plugins.ffmpeg.download()

该问题 Need ffmpeg exe. You can download it by calling: imageio.plugins.ffmpeg.download()往往出现在在调用 import moviepy.editor as mpy 时，此时不仿根据错误提示，在调用 moviepy 库之前，增加如下语句：

import imageio
imageio.plugins.ffmpeg.download()

import moviepy.editor as mpy