Bazaar 2.4.2 crashes on --no-classify

This error seems to occur in both completely disjoint Bazaar repositories where I try it:

d:\repos\emacs\trunk>bzr status

d:\repos\emacs\trunk>bzr status --no-classify
bzr: ERROR: exceptions.TypeError: run() got an unexpected keyword argument 'no_classify'

Traceback (most recent call last):
  File "bzrlib\commands.pyo", line 946, in exception_to_return_code
  File "bzrlib\commands.pyo", line 1150, in run_bzr
  File "C:/Program Files (x86)/Bazaar/plugins\loom\commands.py", line 203, in run_argv_aliases
  File "bzrlib\commands.pyo", line 699, in run_argv_aliases
  File "bzrlib\commands.pyo", line 721, in run
  File "bzrlib\cleanup.pyo", line 135, in run_simple
  File "bzrlib\cleanup.pyo", line 165, in _do_with_cleanups
TypeError: run() got an unexpected keyword argument 'no_classify'

bzr 2.4.2 on python 2.6.6 (Windows-7-6.1.7601-SP1)
arguments: ['bzr', 'status', '--no-classify']
plugins: bzrtools[2.4.1], changelog_merge[2.4.2], colo[0.3.1dev],
    explorer[1.2.1], fastimport[0.12.0dev], launchpad[2.4.2], loom[2.2.1dev],
    netrc_credential_store[2.4.2], news_merge[2.4.2], pipeline[1.1.0],
    qbzr[0.21.1], rewrite[0.6.3dev], svn[1.1.0], upload[1.0.1dev],
    xmloutput[0.8.7]
encoding: 'cp1252', fsenc: 'mbcs', lang: None

*** 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.