bzr lp-propose-merge -R foo crashes if there is no such team or person on launchpad

Binary package hint: bzr

I used "bzr lp-propose-merge -R person" and made a typo in the person's nickname.
Bzr did not handle that situation and crashed.

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: bzr 2.2.1-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic x86_64
NonfreeKernelModules: vmblock vsock vmci vmhgfs
Architecture: amd64
BzrDebugFlags: set()
BzrVersion: 2.2.1
CommandLine: ['/usr/bin/bzr', 'lp-propose-merge', '-R', 'deepti']
CrashDb: bzr
Date: Tue Dec 21 18:01:24 2010
ExecutablePath: /usr/bin/bzr
FileSystemEncoding: UTF-8
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release Candidate amd64 (20100928)
InterpreterPath: /usr/bin/python2.6
Locale: pl_PL.utf8
Platform: Linux-2.6.35-24-generic-x86_64-with-Ubuntu-10.10-maverick
ProcCmdline: /usr/bin/python /usr/bin/bzr lp-propose-merge -R deepti
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=pl_PL.utf8
PythonVersion: 2.6.6
SourcePackage: bzr
Title: bzr crashed with KeyError in __getitem__()
UserEncoding: UTF-8
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 912, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 1112, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 690, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 705, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/cleanup.py", line 135, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/cleanup.py", line 165, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/plugins/launchpad/__init__.py", line 343, in run
    reviews, staging, approve=approve)
  File "/usr/lib/python2.6/dist-packages/bzrlib/plugins/launchpad/lp_propose.py", line 97, in __init__
    reviews]
  File "/usr/lib/python2.6/dist-packages/lazr/restfulclient/resource.py", line 921, in __getitem__
    raise KeyError(key)
KeyError: u'deepti'