C:\Users\pc>pip show pip

Name: pip

Version: 10.0.1

Summary: The PyPA recommended tool for installing Python packages.

Home-page: https://pip.pypa.io/

Author: The pip developers

Author-email: python-virtualenv@groups.google.com

License: MIT

Location: c:\users\pc\appdata\local\programs\python\python37\lib\site-packages

Requires:

Required-by:

You are using pip version 10.0.1, however version 19.0.3 is available.

You should consider upgrading via the 'python -m pip install --upgrade pip' command.

C:\Users\pc>python -m pip install --upgrade pip

Collecting pip

Downloading https://files.pythonhosted.org/packages/d8/f3/413bab4ff08e1fc4828dfc59996d721917df8e8583ea85385d51125dceff/pip-19.0.3-py2.py3-none-any.whl (1.4MB)

File "C:\Users\pc\AppData\Local\Programs\Python\Python37\lib\site-packages\pip\_vendor\urllib3\response.py", line 307, in _error_catcher

raise ReadTimeoutError(self._pool, None, 'Read timed out.')

pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

You are using pip version 10.0.1, however version 19.0.3 is available.

You should consider upgrading via the 'python -m pip install --upgrade pip' command.

 

 

以上是更新pip的报错场景，解决方案：更新指令替换为python -m pip install -U --force-reinstall pip

这个命令好像也可以：python -m pip install -U pip setuptools

具体两个命令有什么区别，还未测试过