由于python即装了python2后又装了python3.

隔了一段时间,发现pip不合适了,pip install安装提示Fatal error in launcher: Unable to create process using

切换到我们安装python的script目录,如cmd C:\Python27\Scripts,执行命令

                             python2 -m pip install --upgrade pip

同理,python3执行命令

                             python3 -m pip install --upgrade pip

可发现pip库已有更新
多版本python pip报错Fatal error in launcher: Unable to create process using解决

PS:python2 为C:\Python27下的python2.exe(已重命名),python3同理。

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