code: def get_queue(self, name=None):
          
          if not name:
              name = self.default_queue
          queue = self._queue_instances.get(name)
          if queue is None:
              queue_cls = import_attribute(self.queue_class)
              queue = queue_cls(
                  name=name,
                  default_timeout=self.default_timeout,
                  is_async=self._is_async,
                  connection=self.connection,
                  job_class=self.job_class
              )
              self._queue_instances[name] = queue
          return queue
docs: Returns an RQ queue instance with the given name, e.g.::
  
              default_queue = rq.get_queue()
              low_queue = rq.get_queue('low')
  
          :param name: Name of the queue to return, defaults to
                       :attr:`~flask_rq2.RQ.default_queue`.
          :type name: str
          :return: An RQ queue instance.
          :rtype: ``rq.queue.Queue``