gdebi-gtk crashed with DebError in compressed_part_name()

Binary package hint: gdebi

Using 64 bit Karmic, downloaded the google-chrome package and when gdebi opened then crashed

ProblemType: Crash
Architecture: amd64
Date: Sun Aug 2 23:42:00 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/gdebi-gtk
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: nvidia
Package: gdebi 0.5.2
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/gdebi-gtk /home/username/Téléchargement/google-chrome-unstable_current_amd64.deb
ProcEnviron:
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 LC_MESSAGES=C
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-4.23-generic
PythonArgs: ['/usr/bin/gdebi-gtk', '/home/username/T\xc3\xa9l\xc3\xa9chargement/google-chrome-unstable_current_amd64.deb']
SourcePackage: gdebi
Title: gdebi-gtk crashed with DebError in compressed_part_name()
Uname: Linux 2.6.31-4-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare