pip install --upgrade pip 报错

You are using pip version 10.0.1, however version 20.2b1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
vickytudembp:PycharmProjects vickytu$ pip install --user --upgrade pip
Collecting pip
Using cached https://files.pythonhosted.org/packages/43/84/23ed6a1796480a6f1a2d38f2802901d078266bda38388954d01d3f2e821d/pip-20.1.1-py2.py3-none-any.whl
Installing collected packages: pip
Successfully installed pip-20.1.1