yum -y install epel-release

yum -y install python36-setuptools_scm

yum -y install python36-pip

pip3 install --upgrade --user pip

pip3 install --user PyMySQL

ln -snf /usr/bin/easy_install-3.9 /usr/bin/easy_install

easy_install pymysql

如果使用pip 安装包时报错  Python.h: No such file or directory

yum -y install python3-devel