fast-import-filter crashed with python error with or without -x action

Binary package hint: bzr

This was a small repository with a few big binary files (100MB+). Running python 2.7 on Ubuntu 11.04. Bug is triggered even when fast-import-filer is running without any actual filter actions.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: bzr 2.3.1-1ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
BzrDebugFlags: set()
BzrVersion: 2.3.1
CommandLine: ['/usr/bin/bzr', 'fast-import-filter']
CrashDb: bzr
Date: Sat Jun 4 14:55:54 2011
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-2.6.38-8-generic-x86_64-with-Ubuntu-11.04-natty
ProcCmdline: /usr/bin/python /usr/bin/bzr fast-import-filter
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, user)
 SHELL=/bin/zsh
PythonVersion: 2.7.1
SourcePackage: bzr
Title: bzr crashed with AttributeError in _get_source_stream(): 'NoneType' object has no attribute 'endswith'
UpgradeStatus: No upgrade log present (probably fresh install)
UserEncoding: UTF-8
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare