pip uninstall requests
pip uninstall urllib3
yum remove python-urllib3
yum remove python-requests
yum install python-urllib3
yum install python-requests
yum install certbot
建站技术,建站交流
pip uninstall requests
pip uninstall urllib3
yum remove python-urllib3
yum remove python-requests
yum install python-urllib3
yum install python-requests
yum install certbot