def to_dict(self):
        """Render a MessageElement as python dict

        :return: Python dict representation
        :rtype: dict
        """
        obj_dict = super(Row, self).to_dict()
        cells_dict = [c.to_dict() for c in self.cells]
        child_dict = {
            'type': self.__class__.__name__,
            'cells': cells_dict
        }
        obj_dict.update(child_dict)
        return child_dict
Render a MessageElement as python dict

        :return: Python dict representation
        :rtype: dict