Mac下安装pytest和pytest-selenium/pytest-html

WARNING: You are using pip version 20.2; however, version 20.2.3 is available.
You should consider upgrading via the ‘/Library/Frameworks/Python.framework/Versions/3.7/bin/python3 -m pip install --upgrade pip’ command.
警告pip版本是20.2，但是20.2.3已经可以用了，建议考虑用上述命令升级

升级后就没问题了

同上，需要升级。升级后再安装就没有警告了