gdebi-gtk crashed with UnicodeDecodeError in commit(): 'utf-8' codec can't decode byte 0xc2 in position 0: unexpected end of data

[Marty]

lsb_release -rd
Description: Ubuntu Trusty Tahr (development branch)
Release: 14.04

apt-cache policy gdebi
gdebi:
  Installiert: 0.9.5.2
  Installationskandidat: 0.9.5.2
  Versionstabelle:
 *** 0.9.5.2 0
        500 http://archive.ubuntu.com/ubuntu/ trusty/universe i386 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: gdebi 0.9.5.2
Uname: Linux 3.13.1-031301-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu1
Architecture: i386
CrashCounter: 1
Date: Tue Apr 8 02:06:03 2014
ExecutablePath: /usr/share/gdebi/gdebi-gtk
InstallationDate: Installed on 2014-04-04 (3 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Daily i386 (20140404)
InterpreterPath: /usr/bin/python3.4
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/bin/gdebi-gtk --non-interactive /home/mar/Downloads/libcuda1-331-updates_331.38-0ubuntu7_i386.deb
ProcEnviron:
 LANGUAGE=de_AT:de
 PATH=(custom, no user)
 LANG=de_AT.UTF-8
 SHELL=/bin/bash
 TERM=unknown
PythonArgs: ['/usr/bin/gdebi-gtk', '--non-interactive', '/home/mar/Downloads/libcuda1-331-updates_331.38-0ubuntu7_i386.deb']
SourcePackage: gdebi
Title: gdebi-gtk crashed with UnicodeDecodeError in commit(): 'utf-8' codec can't decode byte 0xc2 in position 0: unexpected end of data
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1301857, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.