bughelper crashed with NoWorkingTree in find_format()

Binary package hint: bughelper

bughelper crashes when trying anything!

ProblemType: Crash
Architecture: i386
Date: Sun Jan 17 17:10:18 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/bin/bughelper
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100113)
InterpreterPath: /usr/bin/python2.6
NonfreeKernelModules: nvidia
Package: bughelper 0.2.17
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/bughelper -b 181011
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_GB.utf8
ProcVersionSignature: Ubuntu 2.6.32-10.14-generic
PythonArgs: ['/usr/bin/bughelper', '-b', '181011']
SourcePackage: bughelper
Tags: lucid
Title: bughelper crashed with NoWorkingTree in find_format()
Uname: Linux 2.6.32-10-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare