Fix for drain_all_events
Fix for drain_all_events

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