Comment 1 for bug 1277288

From http://bazaar.launchpad.net/~humanitarian-core-editors/openerp-humanitarian-ngo/addons-backport/files:

RuntimeError: maximum recursion depth exceeded

    Traceback (most recent call last):
  Module oops_wsgi.middleware, line 208, in oops_middleware
    app(environ, oops_start_response))
  Module launchpad_loggerhead.debug, line 106, in wrapped_application
    result = application(environ, response_hook)
  Module __main__, line 166, in wrapped
  Module launchpad_loggerhead.debug, line 45, in wrapped
    return app(environ, start_response)
  Module paste.translogger, line 68, in __call__
    return self.application(environ, replacement_start_response)
  Module paste.deploy.config, line 285, in __call__
    return self.app(environ, start_response)
  Module __main__, line 150, in wrapped
  Module paste.wsgilib, line 179, in catch_errors
    app_iter = application(environ, start_response)
  Module launchpad_loggerhead.session, line 56, in __call__
    return self.cookie_handler(environ, start_response)
  Module paste.auth.cookie, line 306, in __call__
    return self.application(environ, response_hook)
  Module launchpad_loggerhead.session, line 83, in _process
    return self.application(environ, response_hook)
  Module paste.httpexceptions, line 633, in __call__
    return self.application(environ, start_response)
  Module launchpad_loggerhead.app, line 293, in __call__
    return view.app(environ, start_response)
  Module loggerhead.apps.branch, line 197, in app
    return c(environ, start_response)
  Module loggerhead.controllers, line 104, in __call__
    values = self.get_values(path, self.kwargs, headers)
  Module loggerhead.controllers.inventory_ui, line 147, in get_values
    filelist = self.get_filelist(rev_tree.inventory, path, sort_type, revno_url)
  Module loggerhead.controllers.inventory_ui, line 69, in get_filelist
    for change in self._history.get_changes(list(revid_set)):
  Module loggerhead.history, line 669, in get_changes
    self.get_merge_point_list(change.revid))
  Module loggerhead.history, line 611, in get_merge_point_list
    merge_point_next = self.get_merge_point_list(next)
  Module loggerhead.history, line 611, in get_merge_point_list
    merge_point_next = self.get_merge_point_list(next)
  Module loggerhead.history, line 611, in get_merge_point_list
    merge_point_next = self.get_merge_point_list(next)
[...]