message: fix a broken model reference
diff: @@ -1902,7 +1902,6 @@ class Superset(BaseSupersetView):
  def publish(self, dashboard_id):
  """Gets and toggles published status on dashboards"""
  session = db.session()
  - Dashboard = Dashboard
  Role = ab_models.Role
  dash = (
  session.query(Dashboard).filter(Dashboard.id == dashboard_id).one_or_none()
  