[Bug 742102] Re: ubiquity crashed with TypeError in on_language_selection_changed(): Gtk.Button.set_label() argument 1 must be string, not None

[Launchpad Bug Tracker]

** Changed in: ubiquity (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/742102

Title:
  ubiquity crashed with TypeError in on_language_selection_changed():
  Gtk.Button.set_label() argument 1 must be string, not None

Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: ubiquity

  ubuntu-devel-announcement Digest, Vol 65, issue 6 asked for us to test ubiquity on current daily build.  I downloaded it with zsync with no errors, MD5SUMS checked, wrote the .iso to a USB.  Installed successfully (well, one C ompiz crash on boot) on Compaq Presario.
  Booted same USB on Acer Aspire one netbook which has been running Natty Alpha 3 Unity 3D O.K. and got this ubiquity error.

  Jerry

  ProblemType: Crash
  DistroRelease: Ubuntu 11.04
  Package: ubiquity 2.5.29
  ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
  Uname: Linux 2.6.38-7-generic i686
  Architecture: i386
  Date: Sat Mar 12 00:49:11 2011
  ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
  InterpreterPath: /usr/bin/python2.7
  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110324)
  ProcCmdline: /usr/bin/python /usr/lib/ubiquity/bin/ubiquity --greeter --only
  ProcEnviron: Error: [Errno 13] Permission denied: '/proc/4625/environ'
  PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', '--greeter', '--only']
  SourcePackage: ubiquity
  Title: ubiquity crashed with TypeError in on_language_selection_changed(): Gtk.Button.set_label() argument 1 must be string, not None
  Traceback:
   Traceback (most recent call last):
     File "/usr/lib/ubiquity/plugins/ubi-language.py", line 340, in on_language_selection_changed
       next_button.set_label(reboot_label)
   TypeError: Gtk.Button.set_label() argument 1 must be string, not None
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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