Pycharm pip报错：WARNING: You are using pip version 20.2.3； however, version 20.3.1 is available.

报错信息

WARNING: You are using pip version 20.2.3; however, version 20.3.1 is available.
You should consider upgrading via the ‘D:\software\python release\python.exe -m pip install --upgrade pip’ command.

解决方法

根据pip报错给的提示在命令行更新pip。注意到python.exe的目录下更新。
python -m pip install --upgrade pip -i https://pypi.douban.com/simple