AttributeError: 'CHKInventoryRepository' object has no attribute 'iter_reverse_revision_history'

> bzr grep -r 1..-1 foo
bzr: ERROR: exceptions.AttributeError: 'CHKInventoryRepository' object has no attribute 'iter_reverse_revision_history'

Traceback (most recent call last):
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/commands.py", line 930, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/commands.py", line 1141, in run_bzr
    ret = run(*run_argv)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/commands.py", line 673, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/commands.py", line 697, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/cleanup.py", line 136, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/cleanup.py", line 166, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/home/larstiq/src/bzr/bzr.dev/bzrlib/commands.py", line 1158, in ignore_pipe
    result = func(*args, **kwargs)
  File "/home/larstiq/.bazaar/plugins/dev/grep/cmds.py", line 249, in run
    grep.versioned_grep(GrepOptions)
  File "/home/larstiq/.bazaar/plugins/dev/grep/grep.py", line 353, in versioned_grep
    for revid, revno, merge_depth in given_revs:
  File "/home/larstiq/.bazaar/plugins/dev/grep/grep.py", line 70, in _linear_view_revisions
    for revision_id in repo.iter_reverse_revision_history(end_rev_id):
AttributeError: 'CHKInventoryRepository' object has no attribute 'iter_reverse_revision_history'

bzr 2.6.0dev3 on python 2.7.3rc2 (Linux-3.4-trunk-686-pae-i686-with-
    debian-6.0.5)
arguments: ['/home/larstiq/src/bzr/bzr.dev/bzr', 'grep', 'texmf', '-r',
    '-10..-1']
plugins: bash_completion[2.6.0dev3], builddeb[2.7.0dev], bzrtools[2.5.0],
    changelog_merge[2.6.0dev3], fastimport[0.14.0dev], git[0.6.8dev],
    grep[0.5.0dev], interactive[1.2.0], launchpad[2.6.0dev3],
    netrc_credential_store[2.6.0dev3], news_merge[2.6.0dev3],
    po_merge[2.6.0dev3], qbzr[0.22.0dev], rewrite[0.6.3dev], stats[0.2.0dev],
    upload[1.0.1dev], vimdiff[unknown], weave_fmt[2.6.0dev3]
encoding: 'utf-8', fsenc: 'UTF-8', lang: 'en_DK.UTF-8'

*** 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.