Appears to be some issues with the CentOS 7 box.
[root@salt-master ~]# firewall-cmd
Traceback (most recent call last):
File "/bin/firewall-cmd", line 32, in <module>
from firewall.client import *
File "/usr/lib/python2.7/site-packages/firewall/client.py", line 29, in <module>
import slip.dbus
File "/usr/lib/python2.7/site-packages/slip/dbus/__init__.py", line 6, in <module>
import service
File "/usr/lib/python2.7/site-packages/slip/dbus/service.py", line 30, in <module>
import polkit
File "/usr/lib/python2.7/site-packages/slip/dbus/polkit.py", line 27, in <module>
from decorator import decorator
ImportError: No module named decorator
[root@salt-master ~]# yum reinstall dbus-python pygobject3-base python-decorator python-slip-dbus python-decorator
[root@salt-master ~]# firewall-cmd
usage: see firewall-cmd man page
No option specified.