擅长:python、mysql、java
<p>因为3.0版的“任务集”不再是术语了。。。组、链和和弦作为一种特殊类型的子任务是新事物,请参见<a href="http://docs.celeryproject.org/en/3.1/whatsnew-3.0.html#group-chord-chain-are-now-subtasks" rel="nofollow noreferrer">http://docs.celeryproject.org/en/3.1/whatsnew-3.0.html#group-chord-chain-are-now-subtasks</a></p>