(Pdb) bt
  /w/bzr.dev/bzr(145)<module>()
-> exit_val = bzrlib.commands.main(sys.argv)
  /Werkstatt/bzr.dev/bzrlib/commands.py(848)main()
-> ret = run_bzr_catch_errors(argv)
  /Werkstatt/bzr.dev/bzrlib/commands.py(857)run_bzr_catch_errors()
-> return run_bzr(argv)
  /Werkstatt/bzr.dev/bzrlib/commands.py(797)run_bzr()
-> ret = run(*run_argv)
  /Werkstatt/bzr.dev/bzrlib/commands.py(499)run_argv_aliases()
-> return self.run(**all_cmd_args)
  /Werkstatt/bzr.dev/bzrlib/builtins.py(946)run()
-> hardlink=hardlink)
  /Werkstatt/bzr.dev/bzrlib/bzrdir.py(1041)sprout()
-> source_branch.sprout(result, revision_id=revision_id)
  /Werkstatt/bzr.dev/bzrlib/decorators.py(141)read_locked()
-> result = unbound(self, *args, **kwargs)
  /Werkstatt/bzr.dev/bzrlib/branch.py(694)sprout()
-> self.copy_content_into(result, revision_id=revision_id)
  /Werkstatt/bzr.dev/bzrlib/decorators.py(141)read_locked()
-> result = unbound(self, *args, **kwargs)
> /Werkstatt/bzr.dev/bzrlib/branch.py(732)copy_content_into()
-> self._synchronize_history(destination, revision_id)
  /Werkstatt/bzr.dev/bzrlib/branch.py(2142)_synchronize_history()
-> destination.set_last_revision_info(revno, revision_id)
  /Werkstatt/bzr.dev/bzrlib/decorators.py(195)write_locked()
-> result = unbound(self, *args, **kwargs)
  /Werkstatt/bzr.dev/bzrlib/branch.py(1994)set_last_revision_info()
-> self._run_post_change_branch_tip_hooks(old_revno, old_revid)
  /Werkstatt/bzr.dev/bzrlib/branch.py(1552)_run_post_change_branch_tip_hooks()
-> hook(params)
  /usr/lib/python2.5/site-packages/bzrlib/plugins/dbus/hook.py(50)on_post_change_branch_tip()
-> activity.Activity().advertise_branch(params.branch)
  /usr/lib/python2.5/site-packages/bzrlib/plugins/dbus/activity.py(75)advertise_branch()
-> self.announce_revision(branch.last_revision(), branch.base)
  /usr/lib/python2.5/site-packages/bzrlib/plugins/dbus/activity.py(86)announce_revision()
-> self._call_on_broadcast('announce_revision', revision, url)
  /usr/lib/python2.5/site-packages/bzrlib/plugins/dbus/activity.py(136)_call_on_broadcast()
-> mainloop.run()
  /var/lib/python-support/python2.5/dbus/connection.py(509)_signal_func()
-> signal_name):
  /var/lib/python-support/python2.5/dbus/connection.py(425)_iter_easy_matches()
-> for path in path_keys:
(Pdb)