pip安装模块失败 Could not find a version that satisfies the requirement **** (from versions: ) Could not find a version that satisfies the requirement **** (from versions: ) No matching distribution found for ****** 解决方案: 这种问题是由于网络限制导致无法连接到指定的下载地址,很多公司限制了外网,可以考虑翻墙后再进行安装。