def init_db(self, engine_info):
     self.store = DispatchDbEngine(engine_info)
class DispatchServer(Flask):
    def init_db(self, engine_info):
        self.store = DispatchDbEngine(engine_info)

    def _delete_table_for_testing(self, table_name):
        self.store._delete_table_for_testing(table_name)