||
系统已经安装了pip,但想安装新版本的pip20.0.2,提示ZIP does not support timestamps before 1980,
在命令行执行pip命令,又提示Fatal error in launcher: Unable to create process using '"C:\Python27\python.exe
" "D:\Python27\Scripts\pip.exe" '
在cmd下执行“python -m pip install --upgrade pip”解决了问题。
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