fix recreate binding on failure (#1516)

src/socketio/async_aiopika_manager.py

@@ -101,15 +101,15 @@ class AsyncAioPikaManager(AsyncPubSubManager):  # pragma: no cover
                 raise asyncio.CancelledError()
 
     async def _listen(self):
+        retry_sleep = 1
+        while True:
+            try:
                 async with (await self._connection()) as connection:
                     channel = await self._channel(connection)
                     await channel.set_qos(prefetch_count=1)
                     exchange = await self._exchange(channel)
                     queue = await self._queue(channel, exchange)
 
-            retry_sleep = 1
-            while True:
-                try:
                     async with queue.iterator() as queue_iter:
                         async for message in queue_iter:
                             async with message.process():

src/socketio/kombu_manager.py

@@ -115,10 +115,10 @@ class KombuManager(PubSubManager):  # pragma: no cover
                     break
 
     def _listen(self):
-        reader_queue = self._queue()
         retry_sleep = 1
         while True:
             try:
+                reader_queue = self._queue()
                 with self._connection() as connection:
                     with connection.SimpleQueue(reader_queue) as queue:
                         while True: