bzr crashed with MalformedTransform in resolve_conflicts(): Tree transform is malformed [('versioning no contents', 'new-451')]

[Lars Karlitski]

Happened when trying to pull changes to lp:ubuntu/gnome-control-center into a directory which had quilt patches applied.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: bzr 2.5.0-1ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
BzrDebugFlags: set()
BzrVersion: 2.5.0
CommandLine: ['/usr/bin/bzr', 'pull']
CrashDb: bzr
Date: Fri Mar 16 15:50:57 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/bzr
FileSystemEncoding: UTF-8
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
InterpreterPath: /usr/bin/python2.7
Locale: en_US.UTF-8
PackageArchitecture: all
Platform: Linux-3.2.0-18-generic-x86_64-with-Ubuntu-12.04-precise
ProcCmdline: /usr/bin/python /usr/bin/bzr pull
ProcEnviron:
 TERM=xterm
 SHELL=/bin/bash
 LANG=en_US.UTF-8
PythonVersion: 2.7.3rc1
SourcePackage: bzr
Title: bzr crashed with MalformedTransform in resolve_conflicts(): Tree transform is malformed [('versioning no contents', 'new-451')]
UpgradeStatus: Upgraded to precise on 2012-01-26 (49 days ago)
UserEncoding: utf-8
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare