After installing all the packages during an update from FC3 to rawhide, anaconda
died. 

Traceback (most recent call last):
  File "/usr/src/build/516567-ppc/install//usr/lib/anaconda/gui.py", line 1128,
in handleRenderCallback
    self.currentWindow.renderCallback()
  File "/usr/src/build/516567-ppc/install//usr/lib/anaconda/iw/progress_gui.py",
line 242, in renderCallback
    self.intf.icw.nextClicked()
  File "/usr/src/build/516567-ppc/install//usr/lib/anaconda/gui.py", line 872,
in nextClicked
    self.dispatch.gotoNext()
  File "/usr/src/build/516567-ppc/install//usr/lib/anaconda/dispatch.py", line
173, in gotoNext
    self.moveStep()
  File "/usr/src/build/516567-ppc/install//usr/lib/anaconda/dispatch.py", line
241, in moveStep
    rc = apply(func, self.bindArgs(args))
  File "/usr/src/build/516567-ppc/install//usr/lib/anaconda/packages.py", line
58, in doPostAction
    id.instClass.postAction(instPath, flags.serial, intf)
TypeError: postAction() takes exactly 3 arguments (4 given)

Local variables in innermost frame:
intf: <gui.InstallInterface instance at 0x30387508>
instPath: /mnt/sysimage
id: <instdata.InstallData instance at 0x30387e68>