[Deskbar] newest deskbar crashing on use

["John H." <mistamaila gmail com>]

eek, i just upgraded to 2.91 or whatever the latest one is and i keep getting...

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/deskbar/ui/cuemiac/CuemiacHistory.py",
line 45, in __get_action_title_for_cell
    text = action.get_verb () % action.get_escaped_name(text)
  File "/usr/lib/python2.5/site-packages/deskbar/interfaces/Action.py",
line 27, in get_escaped_name
    for key, value in self.get_name(text).items():
  File "/usr/lib/python2.5/site-packages/deskbar/handlers/actions/OpenWithApplicationAction.py",
line 45, in get_name
    return {"name": self._name, "program": self._display_program_name}
AttributeError: GenericAction instance has no attribute '_display_program_name'