I have no idea. Anybody know enough python to explain what may be causing this? pykickstart-1.1.1-1.fc7 system-config-kickstart-2.7.7-1.fc7 $ system-config-kickstart Component: system-config-kickstart Summary: TBefdff07c selinuxPage.py:75:__init__:AttributeError: 'NoneType' object has no attribute 'set_model' Traceback (most recent call last): File "/usr/bin/system-config-kickstart", line 81, in <module> kickstartGui.kickstartGui(file) File "/usr/share/system-config-kickstart/kickstartGui.py", line 165, in __init__ self.firewall_class = firewall.Firewall(xml, self.ksHandler) File "/usr/share/system-config-kickstart/firewall.py", line 99, in __init__ self.selinuxWindow = selinuxWindow(selinuxXml) File "/usr/share/system-config-kickstart/firewall.py", line 40, in __init__ selinuxPage.__init__(self, xml, doDebug, inFirstboot) File "/usr/share/system-config-securitylevel/selinuxPage.py", line 75, in __init__ self.enabledOptionMenu.set_model(listStore) AttributeError: 'NoneType' object has no attribute 'set_model' Local variables in innermost frame: xml: <glade.XML object (PyGladeXML) at 0xb3cb40> listStore: <gtk.ListStore object (GtkListStore) at 0x1559e60> doDebug: None self: <firewall.selinuxWindow instance at 0x155d758> inFirstboot: False