pyamqp: connection can be None in _collect.  Closes #2960
pyamqp: connection can be None in _collect.  Closes #2960

Elastica/kombu,ZoranPavlovic/kombu,ZoranPavlovic/kombu,Elastica/kombu,daevaorn/kombu,daevaorn/kombu,celery/kombu,urbn/kombu