Device - gNMI OpenConfig Driver:

        json_data = json_data['openconfig-interfaces:interface'][0]

        str_data = json.dumps(json_data)

        is_error = False

        LOGGER.warning('Releasing...')

        while not objects_to_free.empty():

            LOGGER.warning('Getting...')

            try:

                obj = objects_to_free.get_nowait()

                LOGGER.warning('Releasing: {:s}'.format(str(obj)))

                if obj is None: continue

                LOGGER.warning('Releasing: {:s} => {:s}'.format(

                    str(obj.path()), str(obj.print_mem('json'))

                ))

                try:

                    LOGGER.warning('Freeing...')

                    obj.free()

                    LOGGER.warning('Free done')

                except:

                    LOGGER.exception('Something went wrong...')

                    is_error = True

                    break

            except queue.Empty:

                LOGGER.warning('No more objects...')

                continue

        if not is_error:

            LOGGER.warning('Release done')

        return str_path, str_data