Fixes typo in simple_task_queue example
Fixes typo in simple_task_queue example

andresriancho/kombu,cce/kombu,mathom/kombu,Elastica/kombu,depop/kombu,Elastica/kombu,tkanemoto/kombu,urbn/kombu,ZoranPavlovic/kombu,daevaorn/kombu,iris-edu-int/kombu,jindongh/kombu,bmbouter/kombu,depop/kombu,mathom/kombu,daevaorn/kombu,numb3r3/kombu,tkanemoto/kombu,jindongh/kombu,cce/kombu,bmbouter/kombu,numb3r3/kombu,iris-edu-int/kombu,mverrilli/kombu,romank0/kombu,andresriancho/kombu,alex/kombu,celery/kombu,xujun10110/kombu,xujun10110/kombu,alex/kombu,ZoranPavlovic/kombu,mverrilli/kombu,romank0/kombu