[Bug 875879] Re: update-manager crashed with AttributeError in show_diff(): 'NoneType' object has no attribute 'group'

[Robo Burned]

Have the same issue.
1 Was updating
2 Pop-up window appears: "Replace file /etc/ppp/options" with later version?"
3 When I clicked down arrow to expand window and see file diff I got this error

** Changed in: update-manager (Ubuntu)
       Status: Invalid => Confirmed

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https://bugs.launchpad.net/bugs/875879

Title:
  update-manager crashed with AttributeError in show_diff(): 'NoneType'
  object has no attribute 'group'

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

Bug description:
  Happened when updating Oneiric.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: update-manager 1:0.152.22
  ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu2
  Architecture: amd64
  Date: Sun Oct 16 19:49:42 2011
  ExecutablePath: /usr/bin/update-manager
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/update-manager
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  PythonArgs: ['/usr/bin/update-manager']
  SourcePackage: update-manager
  Title: update-manager crashed with AttributeError in show_diff(): 'NoneType' object has no attribute 'group'
  UpgradeStatus: Upgraded to oneiric on 2011-10-07 (8 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare vboxusers

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