upgrade tool from gutsy to hardy in kde closing suddenly after "computing changes"

[P]

Binary package hint: update-manager

upgrade tool from gutsy to hardy in kde closing suddenly after "computing changes" step

I am under kde 3.5.9 fr locale

dist-upgrade installation log shows the following error :

2008-03-25 18:39:41,874 ERROR not handled expection in KDE frontend:
Traceback (most recent call last):

  File "/tmp/kde-pascal4d36vT/adept_manageruLDc7b.tmp-extract/dist-upgrade.py", line 60, in <module>
    app.run()

  File "/tmp/kde-pascal4d36vT/adept_manageruLDc7b.tmp-extract/DistUpgradeController.py", line 1521, in run
    self.fullUpgrade()

  File "/tmp/kde-pascal4d36vT/adept_manageruLDc7b.tmp-extract/DistUpgradeController.py", line 1486, in fullUpgrade
    if not self.askDistUpgrade():

  File "/tmp/kde-pascal4d36vT/adept_manageruLDc7b.tmp-extract/DistUpgradeController.py", line 780, in askDistUpgrade
    self.cache.requiredDownload)

  File "/tmp/kde-pascal4d36vT/adept_manageruLDc7b.tmp-extract/DistUpgradeViewKDE.py", line 636, in confirmChanges
    self.translate_widget_children(self.changesDialogue)

  File "/tmp/kde-pascal4d36vT/adept_manageruLDc7b.tmp-extract/DistUpgradeViewKDE.py", line 487, in translate_widget_children
    self.translate_widget(widget)

  File "/tmp/kde-pascal4d36vT/adept_manageruLDc7b.tmp-extract/DistUpgradeViewKDE.py", line 492, in translate_widget
    if str(widget.text()) != "":

UnicodeEncodeError: 'ascii' codec can't encode character u'\xe9' in position 1: ordinal not in range(128)

2008-03-25 18:39:41,874 DEBUG running apport_crash()
2008-03-25 18:39:41,958 ERROR failed to import apport python module, can't report bug: No module named python_hook

[P (p92)]

upgrade was from gutsy to hardy beta