'bzr' tracebacks, wikkid doesn't properly declare its alias

[Vincent Ladeuil]

bzr
bzr: ERROR: exceptions.TypeError: 'in <string>' requires string as left operand, not NoneType

Traceback (most recent call last):
  File "/home/vila/src/bzr/trunk/bzrlib/commands.py", line 912, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/home/vila/src/bzr/trunk/bzrlib/commands.py", line 1075, in run_bzr
    get_cmd_object('help').run_argv_aliases([])
  File "/home/vila/src/bzr/trunk/bzrlib/commands.py", line 690, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/home/vila/src/bzr/trunk/bzrlib/commands.py", line 705, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/home/vila/src/bzr/trunk/bzrlib/cleanup.py", line 135, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/home/vila/src/bzr/trunk/bzrlib/cleanup.py", line 165, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/home/vila/src/bzr/trunk/bzrlib/commands.py", line 1127, in ignore_pipe
    result = func(*args, **kwargs)
  File "/home/vila/src/bzr/trunk/bzrlib/builtins.py", line 4232, in run
    bzrlib.help.help(topic)
  File "/home/vila/src/bzr/trunk/bzrlib/help.py", line 45, in help
    topics = indices.search(topic)
  File "/home/vila/src/bzr/trunk/bzrlib/help.py", line 159, in search
    result.extend([(index, _topic) for _topic in index.get_topics(topic)])
  File "/home/vila/src/bzr/trunk/bzrlib/commands.py", line 1246, in get_topics
    cmd = _get_cmd_object(topic, check_missing=False)
  File "/home/vila/src/bzr/trunk/bzrlib/commands.py", line 263, in _get_cmd_object
    cmd = hook(cmd, cmd_name)
  File "/home/vila/src/bzr/trunk/bzrlib/commands.py", line 338, in _get_plugin_command
    if cmd_name in info.aliases:
TypeError: 'in <string>' requires string as left operand, not NoneType

bzr 2.3.0dev1 on python 2.6.5 (Linux-2.6.32-24-generic-x86_64-with-Ubuntu-10.04-lucid)
arguments: ['/home/vila/bin/bzr']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_US.utf8'
plugins:
<...>
  wikkid /home/vila/.bazaar/plugins/wikkid [unknown]

*** Bazaar has encountered an internal error. This probably indicates a
    bug in Bazaar. You can help us fix it by filing a bug report at
        https://bugs.launchpad.net/bzr/+filebug
    including this traceback and a description of the problem.