updante to 7.04 hangs

Binary package hint: ubiquity

Traceback (most recent call last):
  File "/tmp/kde-root/adept_updater6Yr9Na.tmp-extract/dist-upgrade.py", line 48, in ?
    app.run()
  File "/tmp/kde-root/adept_updater6Yr9Na.tmp-extract/DistUpgradeControler.py", line 844, in run
    self.fullUpgrade()
  File "/tmp/kde-root/adept_updater6Yr9Na.tmp-extract/DistUpgradeControler.py", line 826, in fullUpgrade
    if not self.doDistUpgrade():
  File "/tmp/kde-root/adept_updater6Yr9Na.tmp-extract/DistUpgradeControler.py", line 534, in doDistUpgrade
    res = self.cache.commit(fprogress,iprogress)
  File "/usr/lib/python2.4/site-packages/apt/cache.py", line 204, in commit
    res = self.installArchives(pm, installProgress)
  File "/usr/lib/python2.4/site-packages/apt/cache.py", line 179, in installArchives
    res = installProgress.run(pm)
  File "/usr/lib/python2.4/site-packages/apt/progress.py", line 217, in run
    res = self.waitChild()
  File "/tmp/kde-root/adept_updater6Yr9Na.tmp-extract/DistUpgradeViewKDE.py", line 259, in waitChild
    self.updateInterface()
  File "/tmp/kde-root/adept_updater6Yr9Na.tmp-extract/DistUpgradeViewKDE.py", line 268, in updateInterface
    InstallProgress.updateInterface(self)
  File "/usr/lib/python2.4/site-packages/apt/progress.py", line 186, in updateInterface
    self.error(pkg,status_str)
  File "/tmp/kde-root/adept_updater6Yr9Na.tmp-extract/DistUpgradeViewKDE.py", line 190, in error
    self.dialogue.connect(dialogue.button_bugreport, SIGNAL("clicked()"), self.parent.reportBug)
AttributeError: 'KDEInstallProgressAdapter' object has no attribute 'dialogue'