win7下python3和python2共存环境
用pip安装一个包
执行pip2 install xxx的时候报错Fatal error in launcher: Unable to create process using '"'执行pip3 install xxx的时候报同样的错误
Fatal error in launcher: Unable to create process using '"' 解决办法python2 -m pip install XXXpython3 -m pip install XXX这样就可以正常使用pip安装模块了