openstack的keystone组件在创建默认域时提示Internal Server Error (HTTP 500)

[b]系统环境centos7.2 X86_64 openstack是liberty版本 执行 [root@node1 ~]#openstack domain create --description "Default Domain" default 提示的结果 Internal Server Error (HTTP 500) 查看日志tail -f /var/log/httpd/keystone-error.log发现 Target WSGI script '/usr/bin/keystone-wsgi-admin' cannot be loaded as Python module. mod_wsgi (pid=7108): Exception occurred processing WSGI script '/usr/bin/keystone-wsgi-admin'.[/b] [b]请问大神这种提示错误该如何解决呢[/b]