def update_tag(event, context):
    import logging

    logger = logging.getLogger('music')

    if event.get('attributes'):
        if 'username' in event['attributes'] and 'tag_id' in event['attributes']:

            from music.tasks.update_tag import update_tag as do_update_tag
            do_update_tag(user=event['attributes']['username'], tag=event['attributes']["tag_id"])

        else:
            logger.error('no parameters in event attributes')
    else:
        logger.error('no attributes in event')