第一次安装：pip install moviepy
结果出现错误：
ERROR: Cannot uninstall 'imageio'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.
寻找解决方法：pip install moviepy --ignore-install imageio
安装结果：
ERROR: Could not install packages due to an EnvironmentError: [WinError 5] 拒绝访问。: 'c:\users\ymz\anaconda3\Lib\site-packages\numpy\.libs\libopenblas.PYQHXLVVQ7VESDPUVUADXEVJOBGHJPAY.gfortran-win_amd64.dll'
Consider using the `--user` option or check the permissions.
解决方案：pip install --user moviepy --ignore-install imageio
安装成功了