Requires: python36-defusedxml

解决办法：依次执行如下命令

yum install -y python3
yum --enablerepo=extras install epel-release
yum install python-devel
yum install libffi-devel
yum install openssl-devel
yum install python-pip
pip install paramiko
pip install --upgrade pip

来源：https://blog.csdn.net/u011447905/article/details/117995222