在使用Git来克隆仓库报了错误，如下：
fatal: unable to access ‘https://github.com/xiaobingchan/machine_learn/‘: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to github.com:443
解决方案：
env GIT_SSL_NO_VERIFY=true
Git报错: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to github.com:443
原文：https://www.cnblogs.com/luyanjie/p/10459994.html
