Comment 1 for bug 588989

Also, making similar changes to zope.testrunner:

=== modified file 'bootstrap.py'
--- bootstrap.py 2010-04-19 07:02:20 +0000
+++ bootstrap.py 2010-06-03 01:39:41 +0000
@@ -16,8 +16,6 @@
 Simply run this script in a directory containing a buildout.cfg.
 The script accepts buildout command-line options, so you can
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 1037, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 654, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.6/dist-packages/bzrlib/commands.py", line 1052, in ignore_pipe
    result = func(*args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/builtins.py", line 1917, in run
    extra_trees=extra_trees, using=using)
  File "/usr/lib/python2.6/dist-packages/bzrlib/diff.py", line 432, in show_diff_trees
    return differ.show_diff(specific_files, extra_trees)
  File "/usr/lib/python2.6/dist-packages/bzrlib/diff.py", line 839, in show_diff
    return self._show_diff(specific_files, extra_trees)
  File "/usr/lib/python2.6/dist-packages/bzrlib/diff.py", line 899, in _show_diff
    self._diff(file_id, oldpath, newpath, kind[0], kind[1])
  File "/usr/lib/python2.6/dist-packages/bzrlib/diff.py", line 925, in _diff
    new_path, old_kind, new_kind)
  File "/usr/lib/python2.6/dist-packages/bzrlib/diff.py", line 491, in _diff_many
    new_kind)
  File "/usr/lib/python2.6/dist-packages/bzrlib/diff.py", line 613, in diff
    old_date = _patch_header_date(self.old_tree, file_id, old_path)
  File "/usr/lib/python2.6/dist-packages/bzrlib/diff.py", line 444, in _patch_header_date
    mtime = tree.get_file_mtime(file_id, path)
  File "/usr/lib/python2.6/dist-packages/bzrlib/workingtree_4.py", line 1761, in get_file_mtime
    return self._repository.get_revision(last_changed_revision).timestamp
  File "/usr/lib/python2.6/dist-packages/bzrlib/decorators.py", line 138, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/repofmt/knitrepo.py", line 208, in get_revision
    return self.get_revision_reconcile(revision_id)
  File "/usr/lib/python2.6/dist-packages/bzrlib/decorators.py", line 138, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/repository.py", line 1846, in get_revision_reconcile
    return self._get_revisions([revision_id])[0]
  File "/usr/lib/python2.6/dist-packages/bzrlib/decorators.py", line 138, in read_locked
    result = unbound(self, *args, **kwargs)
  File "/usr/lib/python2.6/dist-packages/bzrlib/repository.py", line 1863, in _get_revisions
    raise errors.NoSuchRevision(self, revid)
NoSuchRevision: CHKInventoryRepository('file:///srv/www/dev/zope/zope.testrunner/.bzr/repository/') has no revision <email address hidden>

bzr 2.0.0 on python 2.6.4rc2 (Linux-2.6.32.12-linode25-i686-with-Ubuntu-9.10-karmic)
arguments: ['/usr/bin/bzr', 'diff']
encoding: 'ANSI_X3.4-1968', fsenc: 'ANSI_X3.4-1968', lang: None
plugins:
  launchpad /usr/lib/python2.6/dist-packages/bzrlib/plugins/launchpad [2.0.0]
  netrc_credential_store /usr/lib/python2.6/dist-packages/bzrlib/plugins/netrc_credential_store [2.0.0]
  svn /usr/lib/python2.6/dist-packages/bzrlib/plugins/svn [1.0.0dev]

*** 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.