system-config-lvm crashes with error - 'NoneType' object is not iterable

Issue

• When issue system-config-lvm it gives error -

# system-config-lvm
Traceback (most recent call last):
  File "/usr/sbin/system-config-lvm", line 172, in <module>
    runFullGUI()
  File "/usr/sbin/system-config-lvm", line 157, in runFullGUI
    blvm = baselvm(glade_xml, app)
  File "/usr/sbin/system-config-lvm", line 105, 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 136, in __init__
    self.prepare_tree()
  File "/usr/share/system-config-lvm/Volume_Tab_View.py", line 225, in prepare_tree
    self.model_factory.reload()
  File "/usr/share/system-config-lvm/lvm_model.py", line 165, in reload
    self.__PVs = self.__query_partitions()
  File "/usr/share/system-config-lvm/lvm_model.py", line 276, in __query_partitions
    pv.setPartition(old_pv.getPartition())
  File "/usr/share/system-config-lvm/PhysicalVolume.py", line 135, in setPartition
    def setPartition(self, (devname, part)):
TypeError: 'NoneType' object is not iterable