bzr-notify crashed with SIGSEGV in g_return_if_fail_warning()

This happened during login, upon startup of bzr-notify.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: bzr-gtk 0.103.0+bzr769-1
ProcVersionSignature: Ubuntu 3.2.0-17.26-generic-pae 3.2.6
Uname: Linux 3.2.0-17-generic-pae i686
NonfreeKernelModules: wl
ApportVersion: 1.91-0ubuntu1
Architecture: i386
CheckboxSubmission: e56271c144a9c8f9f675c77e2e4edb56
CheckboxSystem: 7e42599bda39ea7ff8b528272b6ef52b
CrashCounter: 1
Date: Sun Feb 19 10:45:16 2012
ExecutablePath: /usr/bin/bzr-notify
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/bzr-notify
ProcEnviron:
 LC_TIME=en_DK.UTF-8
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb7398896 <_IO_vfprintf_internal+166>: movl $0x25,0x4(%esp)
 PC (0xb7398896) ok
 source "$0x25" ok
 destination "0x4(%esp)" (0xbf216fd4) not located in a known VMA region (needed writable region)!
 Stack memory exhausted (SP below stack segment)
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: bzr-gtk
StacktraceTop:
 g_return_if_fail_warning () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_type_get_qdata () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/python2.7/dist-packages/gobject/_gobject.so
 ?? () from /usr/lib/python2.7/dist-packages/gobject/_gobject.so
 ?? () from /usr/lib/python2.7/dist-packages/gobject/_gobject.so
Title: bzr-notify crashed with SIGSEGV in g_return_if_fail_warning()
UpgradeStatus: Upgraded to precise on 2012-01-14 (35 days ago)
UserGroups: adm admin audio cdrom dialout kvm libvirtd lpadmin netdev plugdev pulse pulse-access sambashare video