谢谢,提示
- WARNING: You are using pip version 19.1.1, however version 20.0.2 is available.
- You should consider upgrading via the 'pip install --upgrade pip' command.
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运行
- python -m pip install --upgrade pip
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提示- DEPRECATION: Python 2.7 will reach the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7.
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接着按照您的执行,然后备份还是失败,
一定要升级py2.7吗?
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