docs: def get(cls, object_id):
          """
          Get all parties (people and companies) associated with a given tag.
          :param object_id: the primary id of the model
          :type object_id: integer
          :return: the parties
          :rtype: list
          """
          from highton.models.party import Party
          return fields.ListField(name=Party.ENDPOINT, init_class=Party).decode(
              cls.element_from_string(
                  cls._get_request(endpoint=cls.ENDPOINT + '/' + str(object_id)).text
              )
          )