pip安装三方库不成功,提示:You are using pip version 19.0.3, however version 21.3.1 is available. You should ...
howeverversion21.3.1isavailable.Youshouldconsiderupgradingviathe'python-mpipinstall--upgradepip'command.原因:pip版本过低导致安装第三方库失败解决方案:更新pip版本1、cmd打开命令窗口2、输入命令:eas