def METHOD_NAME(self, out, session):
    METHOD_NAME = set()
    for game in (session.query(IndieGame)
                        .filter_by(status=c.ACCEPTED)
                        .options(joinedload(IndieGame.studio).joinedload(IndieStudio.group))):
        for attendee in getattr(game.studio.group, 'attendees', []):
            if not attendee.is_unassigned and attendee not in METHOD_NAME:
                METHOD_NAME.add(attendee)
                out.writerow([attendee.full_name, game.studio.name])