Windows环境下pip安装报错，WARNING: pip is configured with locations that require TLS/SSL

Windows环境下Anaconda3-python，使用pip安装模块是报错： WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. 解决方法： 添加‘Anaconda安装目录\Library\bin’到环境变量中 例如：

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