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
