docs: def update(self, response, **kwargs):
          '''
          If a record matching the instance already exists in the database, update
          both the column and venue column attributes, else create a new record.
          '''
          response_cls = super(
              LocationResponseClassLegacyAccessor, self)._get_instance(**kwargs)
          if response_cls:
              setattr(response_cls, self.column, self.accessor(response))
              setattr(
                  response_cls, self.venue_column, self.venue_accessor(response))
              _action_and_commit(response_cls, session.add)