利用pip导出以及导入安装依赖包，跳过错误继续安装！

[malaohu]

A服务器导出依赖

pip freeze >requirements.txt

B服务器导入安装依赖

pip install -r requirements.txt

使用下面的命令安装依赖能自动跳过安装错误的依赖包，继续安装！

while read requirements; do pip install $requirements; done < requirements.txt