"bzr st -r REVNO1..REVNO2" crashes in loom

It crashes after displaying the requested information:

D:\usr\eli\bzr\emacs\quickfixes>bzr st -r 106675..106729
modified:
  lisp/ChangeLog
  lisp/progmodes/make-mode.el
bzr: ERROR: exceptions.AttributeError: 'InventoryRevisionTree' object has no attribute 'branch'

Traceback (most recent call last):
  File "bzrlib\commands.pyo", line 920, in exception_to_return_code
  File "bzrlib\commands.pyo", line 1131, in run_bzr
  File "bzrlib\commands.pyo", line 673, in run_argv_aliases
  File "bzrlib\commands.pyo", line 695, in run
  File "bzrlib\cleanup.pyo", line 136, in run_simple
  File "bzrlib\cleanup.pyo", line 166, in _do_with_cleanups
  File "bzrlib\commands.pyo", line 1148, in ignore_pipe
  File "bzrlib\builtins.pyo", line 402, in run
  File "bzrlib\status.pyo", line 227, in show_tree_status
  File "C:/Program Files/Bazaar/plugins\loom\__init__.py", line 105, in show_loom_summary
AttributeError: 'InventoryRevisionTree' object has no attribute 'branch'

bzr 2.5b6 on python 2.6.6 (Windows-XP-5.1.2600-SP2)
arguments: ['bzr', 'st', '-r', 'tip:3..tip:2']
plugins: bisect[1.1.0dev], bzrtools[2.5.0], changelog_merge[2.5b6],
    colo[0.4.0], encdiff[1.0.0], explorer[1.1.0], fastimport[0.13.0dev],
    git[0.6.6], grep[0.4.0], history_db[unknown], keywords[unknown],
    launchpad[2.5b6], loom[2.2.1dev], netrc_credential_store[2.5b6],
    news_merge[2.5b6], pipeline[1.4.0], qbzr[0.18.6], rewrite[0.6.3dev],
    svn[1.1.2], tiplog[0.0.6dev], upload[1.0.1dev], xmloutput[0.8.8]
encoding: 'cp1255', 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.