* Cambridge-re0801.nightly (internal)
* kickstart upgrade

This traceback has been observed during upgrades from 7.3, 8.0 and 9.

Traceback (most recent call last):
  File "/usr/bin/anaconda", line 1025, in ?
    intf.run(id, dispatch, configFileData)
  File "/usr/lib/anaconda/gui.py", line 674, in run
    self.icw.run (self.runres, configFileData)
  File "/usr/lib/anaconda/gui.py", line 1415, in run
    self.setup_window(runres)
  File "/usr/lib/anaconda/gui.py", line 1387, in setup_window
    self.setScreen ()
  File "/usr/lib/anaconda/gui.py", line 1053, in setScreen
    (step, args) = self.dispatch.currentStep()
  File "/usr/lib/anaconda/dispatch.py", line 273, in currentStep
    self.gotoNext()
  File "/usr/lib/anaconda/dispatch.py", line 168, in gotoNext
    self.moveStep()
  File "/usr/lib/anaconda/dispatch.py", line 236, in moveStep
    rc = apply(func, self.bindArgs(args))
  File "/usr/lib/anaconda/upgrade.py", line 251, in upgradeMountFilesystems
    allowDirty = 0)
  File "/usr/lib/anaconda/upgrade.py", line 105, in mountRootPartition
    newfsset = fsset.readFstab(instPath + '/etc/fstab', intf)
  File "/usr/lib/anaconda/fsset.py", line 2066, in readFstab
    if fsystem is None:
UnboundLocalError: local variable 'fsystem' referenced before assignment