[Bug 1023820] Re: update-manager crashed with AttributeError in _try_show_release_notes_textview(): 'Window' object has no attribute 'window'

[Apport retracing service]

*** This bug is a duplicate of bug 859862 ***
    https://bugs.launchpad.net/bugs/859862

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 #859862, 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.

** Tags removed: need-duplicate-check

** Attachment removed: "ProcMaps.txt"
   https://bugs.launchpad.net/bugs/1023820/+attachment/3220819/+files/ProcMaps.txt

** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/1023820/+attachment/3220820/+files/ProcStatus.txt

** This bug has been marked a duplicate of private bug 859862

** Visibility changed to: Public

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https://bugs.launchpad.net/bugs/1023820

Title:
  update-manager crashed with AttributeError in
  _try_show_release_notes_textview(): 'Window' object has no attribute
  'window'

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  trying to upgrade to 12.04

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: update-manager 1:0.152.19
  ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
  Uname: Linux 3.0.0-12-generic i686
  NonfreeKernelModules: fglrx
  ApportVersion: 1.23-0ubuntu1
  Architecture: i386
  Date: Thu Jul 12 21:37:51 2012
  ExecutablePath: /usr/bin/update-manager
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/update-manager
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANGUAGE=en_NZ:en
   LANG=en_NZ.UTF-8
  PythonArgs: ['/usr/bin/update-manager']
  SourcePackage: update-manager
  Title: update-manager crashed with AttributeError in _try_show_release_notes_textview(): 'Window' object has no attribute 'window'
  UpgradeStatus: Upgraded to oneiric on 2012-05-11 (61 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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