Installation of RHEL 5.6 or earlier results in an anaconda exception stating "ZeroDivisionError: float division"

Issue

• anaconda produces an exception and traceback

  20:29:57 CRITICAL: Traceback (most recent call first):
    File "/usr/lib/anaconda/iw/partition_gui.py", line 162, in update
      xoffset = self.partition.geom.start / totalSectors * width
    File "/usr/lib/anaconda/iw/partition_gui.py", line 195, in __init__
      self.update()
    File "/usr/lib/anaconda/iw/partition_gui.py", line 259, in add
      stripe = DiskStripeSlice(self, partition, self.tree, self.editCb)
    File "/usr/lib/anaconda/iw/partition_gui.py", line 832, in populate
      stripe.add(part)
    File "/usr/lib/anaconda/iw/partition_gui.py", line 1391, in getScreen
      self.populate(initial = 1)
    File "/usr/lib/anaconda/gui.py", line 1244, in setScreen
      new_screen = self.currentWindow.getScreen(anaconda)
    File "/usr/lib/anaconda/gui.py", line 1157, in nextClicked
      self.setScreen ()
  ZeroDivisionError: float division