1. 运行环境

Debian9 + python3

2. 安装mysqlclient

pip3 install mysqlclient

权限不足

sudo pip3 install mysqlclient

mysql_config not found，在stackoverfolw上找到一个解决方案

sudo apt-get install libmysqlclient-dev

没有找到libmysqlclient-dev，原因debian9上默认安装的是MariaDB

sudo apt-get install libmariadbclient-dev

SUCCESS