问题：
Celery 启动报错 can_read() got an unexpected keyword argument timeout
方案：更改redis版本和celery版本，我使用下面的celery版本和redis版本，解决问题
➜ ~ pip show celery Name: celery Version: 4.1.0 Summary: Distributed Task Queue. Home-page: http://celeryproject.org Author: Ask Solem Author-email: ask@celeryproject.org License: BSD Location: /usr/local/lib/python2.7/site-packages Requires: kombu, pytz, billiard ➜ ~ pip show redis Name: redis Version: 2.10.6 Summary: Python client for Redis key-value store Home-page: http://github.com/andymccurdy/redis-py Author: Andy McCurdy Author-email: sedrik@gmail.com License: MIT Location: /usr/local/lib/python2.7/site-packages Requires: ➜ ~