[Bug 1239788] Re: update-manager crashed with AttributeError in _try_show_release_notes_textview(): 'Window' object has no attribute 'window'

[Theo van Oostrum]

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

Extra info: Tried to upgrade after fresh install, no update performed
yet.

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https://bugs.launchpad.net/bugs/1239788

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:
  Clicking on the 'Upgrade Button' next to the label 'New Ubuntu release
  12.04.3 LTS is available' resulted in the error. Current version 11.10

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: update-manager 1:0.152.18
  ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
  Uname: Linux 3.0.0-11-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu1
  Architecture: amd64
  Date: Mon Oct 14 19:35:42 2013
  ExecutablePath: /usr/bin/update-manager
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110921.2)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/update-manager
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  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: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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