Comment 42 for bug 528678

The relevant part of the log:

Mar 23 12:19:54 debconf (filter): <-- INPUT medium console-setup/variant
Mar 23 12:19:54 debconf (filter): widget found for console-setup/variant
debconf (developer): <-- METAGET console-setup/variant choices-c
debconf (developer): --> 1 Suisse, Suisse - Allemand (Apple-Macintosh), Suisse - Allemand\\, sans touches mortes, Suisse - Alle
mand\\, touches mortes Sun, Suisse - Français, Suisse - Français (Apple-Macintosh), Suisse - Français\\, sans touches mortes, S
uisse - Français\\, touches mortes Sun, Suisse - Obsolète
debconf (developer): <-- GET console-setup/variant
debconf (developer): --> 1 Suisse - Français
Exception caught in process_line:
Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 134, in process_line
    return self.dbfilter.process_line()
  File "/usr/lib/ubiquity/ubiquity/debconffilter.py", line 281, in process_line
    if not input_widgets[0].run(priority, question):
  File "/usr/lib/ubiquity/plugins/ubi-console-setup.py", line 441, in run
    self.ui.set_keyboard_variant(self.db.get(question))
  File "/usr/lib/ubiquity/plugins/ubi-console-setup.py", line 331, in set_keyboard_variant
    index = self.page.keyboard_variant_combobox.findText(QString(unicode(variant)))
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 13: ordinal not in range(128)
Mar 23 12:19:54 ubiquity: ['log-output', '-t', 'ubiquity', '--pass-stdout', '/usr/lib/ubiquity/console-setup/console-setup.postinst', 'configure'] exited with code 141