Fix failing unittests of pyamqp transport. (#978)
Fix failing unittests of pyamqp transport. (#978)

Failing unittests were caused by commit f16df2a17630c9804a6da614443c5e862271823f in pyamqp.
celery/kombu,ZoranPavlovic/kombu,urbn/kombu,ZoranPavlovic/kombu