Traceback (most recent call last):
  File "/usr/sbin/system-config-lvm", line 138, in ?
    runFullGUI()
  File "/usr/sbin/system-config-lvm", line 123, in runFullGUI
    blvm = baselvm(glade_xml, app)
  File "/usr/sbin/system-config-lvm", line 73, in __init__
    self.volume_tab_view = Volume_Tab_View(glade_xml, self.lvmm, self.main_win)
  File "/usr/share/system-config-lvm/Volume_Tab_View.py", line 164, in __init__
    self.prepare_tree()
  File "/usr/share/system-config-lvm/Volume_Tab_View.py", line 245, in prepare_tree
    self.model_factory.reload()
  File "/usr/share/system-config-lvm/lvm_model.py", line 156, in reload
    self.__PVs = self.__query_partitions()
  File "/usr/share/system-config-lvm/lvm_model.py", line 190, in __query_partitions
    multipath_data = multipath_obj.get_multipath_data()
  File "/usr/share/system-config-lvm/Multipath.py", line 30, in get_multipath_data
    raise CommandError('FATAL', COMMAND_FAILURE % ("dmsetup",cmdstr, e))
NameError: global name 'CommandError' is not defined