在将pip升级到v10之后,我不再能够使用pip安装python2.7的包。pip 10.0.0 from /home/username/.local/lib/python3.5/site-packages/pip (python 3.5)
pip 10.0.0 from /home/username/.local/lib/python3.
当Python3未安装时,test.py为什么不抛出错误env: python3: No such file or directory ?我的系统(Mac )安装了Python2.7,但没有安装Python 3:Python 2.7.12env: python3: No such file or directory
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