vitenbergd

Dunno if it will be useful, but that's what i found out: **test.py** ``` import time from celery import Celery from celery.result import AsyncResult, GroupResult from celery import group, chord...

@listingmirror i think docs should be updated because there are two cases when **.on_error()** callback ivocation occures: **example1 chord - group dependency fail** `chord([ok_task.s(), fail_task.s()])(my_cool_callback.si().on_error(not_so_cool_callback.s()))` **example2 chord - callback fail**...