Should not declare Broadcast on publish. Closes #1540

celery/app/amqp.py

@@ -12,7 +12,7 @@ from datetime import timedelta
 from weakref import WeakValueDictionary
 
 from kombu import Connection, Consumer, Exchange, Producer, Queue
-from kombu.common import entry_to_queue
+from kombu.common import Broadcast
 from kombu.pools import ProducerPool
 from kombu.utils import cached_property, uuid
 from kombu.utils.encoding import safe_repr
@@ -102,7 +102,7 @@ class Queues(dict):
             options['routing_key'] = name
         if self.ha_policy is not None:
             self._set_ha_policy(options.setdefault('queue_arguments', {}))
-        q = self[name] = entry_to_queue(name, **options)
+        q = self[name] = Queue.from_dict(name, **options)
         return q
 
     def _set_ha_policy(self, args):
@@ -202,7 +202,8 @@ class TaskProducer(Producer):
                 qname = queue.name
             exchange = exchange or queue.exchange.name
             routing_key = routing_key or queue.routing_key
-        declare = declare or ([queue] if queue else [])
+        if declare is None and queue and not isinstance(queue, Broadcast):
+            declare = [queue]
 
         # merge default and custom policy
         retry = self.retry if retry is None else retry