python 安装最优传输模块POT出现问题：Microsoft Visual C++ 14.0 is required (Unable to find vcvarsall.bat)

解决方案：

安装visual studio 2017，选择支持Python，

安装完成后配置路径：

Add this to your PATH environment variables:

C:Program Files (x86)Windows Kits8.0inx86

Copy these files:

rc.exe rcdll.dll

From

C:Program Files (x86)Windows Kits10in10.0.16299.0x64

To

C:Program Files (x86)Microsoft Visual Studio 11.0VCin

再进行pip install POT即可