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

Command "python setup.py egg_info" failed with error code 1 in C:\Users\25308\AppData\Local\Temp\pycharm-packaging\pandas\
You are using pip version 10.0.1, however version 19.3.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

在PyCharm更新依赖包时出现的，原因是Python版本的问题，PyCharm18年版本，只支持Python3.7，不支持Python3.8，将配置中的Python版本，更换为3.7即可，如下图：