Set an ui info to the description
        :type ui_info: satosa.metadata_creation.description.UIInfoDesc
        :param ui_info: The ui info to be set

def ui_info(self, ui_info):
        """
        Set an ui info to the description
        :type ui_info: satosa.metadata_creation.description.UIInfoDesc
        :param ui_info: The ui info to be set
        """
        if not isinstance(ui_info, UIInfoDesc):
            raise TypeError("ui_info must be of type UIInfoDesc")
        self._ui_info = ui_info