使用pip和easy_install安装那个lxml.pyspider这些库或者框架一直提示以下错误: Collecting pyspider Could not fetch URL https://pypi.python.org/simple/pyspider/: There was a prob lem confirming the ssl certificate: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ss
在终端输入命令报错后,在网上找到了这篇博客,用easy_install命令安装pip,问题解决 Fatal error in launcher: Unable to create process using '"d:\old_files\py3.6\python.exe" "D:\py3.6\Scripts\pip3.exe" list' easy_install 和 pip的介绍: easy_install和pip都是用来下载安装python的一个公共资源库PyP