Description of problem:

During kickstart upgrade of FC4->today's rawhide:

Traceback (most recent call last):
  File "/usr/bin/anaconda", line 1218, in ?
    intf.run(id, dispatch)
  File "/usr/lib/anaconda/text.py", line 535, in run
    dispatch.gotoNext()
  File "/usr/lib/anaconda/dispatch.py", line 146, in gotoNext
    self.moveStep()
  File "/usr/lib/anaconda/dispatch.py", line 217, in moveStep
    rc = apply(func, self.bindArgs(args))
  File "/usr/lib/anaconda/backend.py", line 153, in doPostSelection
    return backend.doPostSelection(intf, id, instPath, dir)
  File "/usr/lib/anaconda/yuminstall.py", line 798, in doPostSelection
    (self.dlpkgs, self.totalSize, self.totalFiles)  = self.ayum.getDownloadPkgs()
  File "/usr/lib/anaconda/yuminstall.py", line 408, in getDownloadPkgs
    if po:
UnboundLocalError: local variable 'po' referenced before assignment

Local variables in innermost frame:
totalSize: 0
self: <yuminstall.AnacondaYum object at 0x3038d350>
txmbr: pcmcia-cs.ppc 0-3.2.8-4.12 - None
downloadpkgs: []
totalFiles: 0