duplicity crashed with UnicodeDecodeError in __main__: 'ascii' codec can't decode byte 0xc3 in position 1066: ordinal not in range(128)

[vlotho]

gilles@gilles-EP31-DS3L:~/install/bin$ lsb_release -rd
Description: Ubuntu quantal (development branch)
Release: 12.10

gilles@gilles-EP31-DS3L:~/install/bin$ apt-cache policy duplicity
duplicity:
  Installé : 0.6.19-0ubuntu1
  Candidat : 0.6.19-0ubuntu1
 Table de version :
 *** 0.6.19-0ubuntu1 0
        500 http://fr.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: duplicity 0.6.19-0ubuntu1
ProcVersionSignature: Ubuntu 3.4.0-5.11-generic 3.4.0
Uname: Linux 3.4.0-5-generic x86_64
ApportVersion: 2.2.5-0ubuntu1
Architecture: amd64
Date: Sat Jun 23 12:17:35 2012
ExecutablePath: /usr/bin/duplicity
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120517)
InterpreterPath: /usr/bin/python2.7
ProcCmdline: /usr/bin/python /usr/bin/duplicity cleanup --force u1+http://deja-dup/username-EP31-DS3L --verbosity=9 --gpg-options=--no-use-agent --archive-dir=/home/username/.cache/deja-dup --log-fd=16
ProcEnviron:
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/duplicity', 'cleanup', '--force', 'u1+http://deja-dup/username-EP31-DS3L', '--verbosity=9', '--gpg-options=--no-use-agent', '--archive-dir=/home/username/.cache/deja-dup', '--log-fd=16']
SourcePackage: duplicity
Title: duplicity crashed with UnicodeDecodeError in __main__: 'ascii' codec can't decode byte 0xc3 in position 1066: ordinal not in range(128)
Traceback:
 Traceback (most recent call last):
   File "/usr/bin/duplicity", line 1423, in <module>
     % (''.join(traceback.format_exception(*sys.exc_info()))))
 UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 1066: ordinal not in range(128)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.