do-release-upgrade crashed with AttributeError in doPostInitialUpdate(): 'NoneType' object has no attribute 'req_reinstall_pkgs'

[Ricardo Maltez]

When I was updating the system, the app for updating just had crash

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: ubuntu-release-upgrader-core 1:0.192.5
ProcVersionSignature: Ubuntu 3.8.0-6.13-generic 3.8.0-rc7
Uname: Linux 3.8.0-6-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.8-0ubuntu4
Architecture: amd64
CrashDB: ubuntu
Date: Sat Feb 16 18:17:20 2013
ExecutablePath: /usr/bin/do-release-upgrade
InstallationDate: Installed on 2013-01-28 (18 days ago)
InstallationMedia: This
InterpreterPath: /usr/bin/python3.3
MarkForUpload: True
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/lib/ubuntu-release-upgrader/do-partial-upgrade --frontend=DistUpgradeViewGtk3
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
PythonArgs: ['/usr/bin/do-release-upgrade', '--frontend=DistUpgradeViewGtk3']
SourcePackage: ubuntu-release-upgrader
Title: do-release-upgrade crashed with AttributeError in doPostInitialUpdate(): 'NoneType' object has no attribute 'req_reinstall_pkgs'
UpgradeStatus: Upgraded to raring on 2013-02-09 (7 days ago)
UserGroups:

[Launchpad Janitor (janitor)]

This bug was fixed in the package ubuntu-release-upgrader - 1:0.192.7

---------------
ubuntu-release-upgrader (1:0.192.7) raring; urgency=low

  * in doPostInitialUpdate return false if there is no cache (LP: #1127451)
 -- Brian Murray <email address hidden> Mon, 08 Apr 2013 14:23:32 -0700