如何卸载python3.5并重新安装python3.7?下面是一个示例:Python 3.5.3 (default, Jan 19 2017, 14:11:04) Type "help", "copyright", "credits" or "license" for more information.davi
这是我现在的版本This is pytest version 4.6.9, imported from /home/abc/.local/lib/python2.7/site-packages/pytest.pyc我运行了% pip install --upgrade pytest,但是我的pytest版本仍然是4.6.9。理想情况下,我希望能够单独安装最新版本,比如pytest3。