code: def delete(self, session, lookup_keys, *args, **kwargs):
          
          model = self._get_model(lookup_keys, session)
          session.delete(model)
          session.commit()
          return {}
docs: Deletes the model found using the lookup_keys
  
          :param Session session: The SQLAlchemy session to use
          :param dict lookup_keys: A dictionary mapping the fields
              and their expected values
          :return: An empty dictionary
          :rtype: dict
          :raises: NotFoundException