ubiquity crashed in run() with: UnicodeEncodeError: 'ascii' codec can't encode character u'\xe8' in position 15: ordinal not in range(128)

[Jean-Baptiste Lallement]

Oneiric Desktop 20110822

In Advanced partitioning, non-english, ubiquity crashes with the following error when users selects 'New partition':
Traceback (most recent call last):
  File "/usr/lib/ubiquity/ubiquity/filteredcommand.py", line 132, 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-partman.py", line 2389, in run
    ('ubiquity/text/go_back', 'ubiquity/text/continue'))
  File "/usr/lib/ubiquity/ubiquity/frontend/gtk_ui.py", line 1549, in question_dialog
    text = str(text)
UnicodeEncodeError: 'ascii' codec can't encode character u'\xe8' in position 15: ordinal not in range(128)

TEST CASE:
1. Start ubiquity
2. Select 'Français', then proceed to partman ('Continuer')
3. Once on the partitioner step, select 'Autre Chose'
3. Select device '/dev/sda' and click on 'Nouvelle partition'

Result:
this crash.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: ubiquity 2.7.15
ProcVersionSignature: Ubuntu 3.0.0-9.12-generic 3.0.3
Uname: Linux 3.0.0-9-generic x86_64
Architecture: amd64
CasperVersion: 1.279
Date: Mon Aug 22 15:33:02 2011
LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110822)
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Jean-Baptiste Lallement (jibel)]

Same problem at the same place if the user select 'Install side by side'

[Launchpad Janitor (janitor)]

This bug was fixed in the package ubiquity - 2.7.18

---------------
ubiquity (2.7.18) oneiric; urgency=low

  * Properly handle unicode around the hostname (LP: #831309).
  * Properly handle unicode around the timezone entry box (LP: #831533).
  * Properly handle unicode in the question dialog (LP: #831419).
  * Disable the background setting code for beta 1.
  * Wait forever for jockey to shutdown (LP: #653571).
  * Bump indicators to v6 (LP: #819979).
 -- Evan Dandrea <email address hidden> Fri, 26 Aug 2011 17:56:37 +0100