redis 版本过高导致celery报错
https://www.jianshu.com/p/2eb32b03d6e1
python版本3.6.5
redis版本2.8.17 http://download.redis.io/releases/redis-2.8.17.tar.gz
pip install redis==2.10.6
celery 命令
celery -A Ultraman beat -l debug --max-interval=10
celery -A Ultraman worker --loglevel=info