[Bug 861129] Re: software-center crashed with AttributeError in _on_button_pressed(): 'NoneType' object has no attribute 'cancel'

[Launchpad Bug Tracker]

** Branch linked: lp:software-center

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https://bugs.launchpad.net/bugs/861129

Title:
  software-center crashed with AttributeError in _on_button_pressed():
  'NoneType' object has no attribute 'cancel'

Status in “software-center” package in Ubuntu:
  Fix Committed

Bug description:
  win7 wubi amd64 11.04 install upgraded to Oneiric Ocelot. 11.10 beta
  1/2 now.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: software-center 4.1.23.5
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  ApportVersion: 1.23-0ubuntu1
  Architecture: amd64
  Date: Sat Sep 24 23:04:13 2011
  ExecutablePath: /usr/share/software-center/software-center
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/software-center /root/Downloads/virtualbox-4.1_4.1.2-73507~Ubuntu~natty_amd64.deb
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  PythonArgs: ['/usr/bin/software-center', '/root/Downloads/virtualbox-4.1_4.1.2-73507~Ubuntu~natty_amd64.deb']
  SourcePackage: software-center
  Title: software-center crashed with AttributeError in _on_button_pressed(): 'NoneType' object has no attribute 'cancel'
  Traceback:
   Traceback (most recent call last):
     File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/pendingpane.py", line 106, in _on_button_pressed
       trans.cancel()
   AttributeError: 'NoneType' object has no attribute 'cancel'
  UpgradeStatus: Upgraded to oneiric on 2011-09-12 (16 days ago)
  UserGroups: admin

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