dkms_packages.py crashed with AssertionError in _assert_bin_mode(): file stream must be in binary mode

[Wajih Letaief]

Description: Ubuntu quantal (development branch)
Release: 12.10

Running on VirtualBox v4.1.18 r78361 (PUEL)

dkms:
  Installé : 2.2.0.3-1ubuntu3
  Candidat : 2.2.0.3-1ubuntu3
 Table de version :
 *** 2.2.0.3-1ubuntu3 0
        500 http://archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
        100 /var/lib/dpkg/status

Crash and Guest Additions can't be installed

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: dkms 2.2.0.3-1ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-1.1-generic 3.5.0-rc3
Uname: Linux 3.5.0-1-generic i686
ApportVersion: 2.2.3-0ubuntu6
Architecture: i386
CrashCounter: 1
Date: Thu Jun 21 09:04:16 2012
DuplicateOf: https://bugs.launchpad.net/bugs/1008092
ExecutablePath: /usr/share/apport/package-hooks/dkms_packages.py
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha i386 (20120606.2)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: python /usr/share/apport/package-hooks/dkms_packages.py -m virtualbox-guest -v 4.1.16 -k 3.5.0-1-generic
ProcCwd: /var/lib/dkms/virtualbox-guest/4.1.16/build
ProcEnviron:
 SHELL=/bin/bash
 TERM=xterm
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
PythonArgs: ['/usr/share/apport/package-hooks/dkms_packages.py', '-m', 'virtualbox-guest', '-v', '4.1.16', '-k', '3.5.0-1-generic']
SourcePackage: dkms
Title: dkms_packages.py crashed with AssertionError in _assert_bin_mode(): file stream must be in binary mode
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 #1008092, 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.