ERROR: Could not find a version that satisfies the requirement upgrade (from versions: none) ERROR: No matching distribution found for upgrade 这两个错误意思就是: 错误:无法找到满足升级要求的版本(从版本:none) 错误:没有找到匹配的升级分布 然后这下面是安装pymysql时出现的错误: 这个Proposed solution(...
Installing collected packages: pip WARNING: Ignoring invalid distribution-ip (d:\python\lib\site-packages) Successfully installed pip-21.1.1 D:\Python\Lib\site-packages>python -m pip install --upgrade pip WARNING: Ignoring invalid distribution-ip (d:\python\lib\site-packages) WARNING: Ignoring in...
bar, foo, quux pip install bar ... Installing collected packages foo, baz, bar在 v6.1....
Installing collected packages: virtualenvwrapper Successfully installed virtualenvwrapper-4.8.4 4. 代码案例演示 4.1 示例代码 为了确保安装成功,并验证我们的虚拟环境配置,我们可以运行以下Python代码: 1 2 3 4 5 6 7 8 9 10 11 12 import virtualenvwrapper def create_virtual_env(): try: print("Creating...
Installing collected packages:pip Found existing installation:pip19.2.3Uninstalling pip-19.2.3:Successfully uninstalled pip-19.2.3ERROR:Could not install packages due to an EnvironmentError:[WinError5]拒绝访问。:'C:\\Users\\hp\\AppData\\Local\\Temp\\pip-uninstall-aj7beqe0\\pip.exe'Consider using...
Installing collected packages: pip Found existing installation: pip 8.1.2 Not uninstalling pip at /usr/lib/python2.7/dist-packages, outside environment /usr Successfully installed pip-8.1.2 You are using pip version 8.1.2, however version 9.0.1 is available. ...
Installing collected packages: MarkupSafe,jinja2Couldnot install packages due to an EnvironmentError: [WinError 5] 拒绝访问。: 'c:\\program files\\python36\\Lib\\site-packages\\markupsafe' Consider using the `--user` option or check the permissions. ...
(I'm posting this as a bug since nobody answered to http://stackoverflow.com/questions/30104748/pip-unexpectedly-not-installing-latest-version-of-git-package-with-branch-commit, so I think it is a bug, sorry if it isn't.) I have a requir...
Installing collected packages: dlib Running setup.py install for dlib: started Running setup.py install for dlib: finished with status 'error' error: subprocess-exited-with-error × python setup.py bdist_wheel did not run successfully.│ exit code: 1 ╰─> [10 lines of output] running bdist...
twisted 18.7.0 requires PyHamcrest>=1.9.0, which is not installed 解决方法: 采用pip install pip -U,解决pip版本升级问题 [root@system-2-new bin]# pip install pip -UCollecting pipDownloading https://files.pythonhosted.org/packages/6a/df/a6ef77a6574781a668791419ffe366c8acd1c3cf4709d210cb53cd5...