code: def get_all_queues(self, prefix=''):
          
          params = {}
          if prefix:
              params['QueueNamePrefix'] = prefix
          return self.get_list('ListQueues', params, [('QueueUrl', Queue)])
docs: Retrieves all queues.
  
          :keyword str prefix: Optionally, only return queues that start with
              this value.
          :rtype: list
          :returns: A list of :py:class:`boto.sqs.queue.Queue` instances.