How to use the pyqs.__version__ function in pyqs

def _main(queue_prefixes, concurrency=5, logging_level="WARN",
          region=None, access_key_id=None, secret_access_key=None,
          interval=1, batchsize=10, prefetch_multiplier=2):
    logging.basicConfig(
        format="[%(levelname)s]: %(message)s",
        level=getattr(logging, logging_level),
    )
    logger.info("Starting PyQS version {}".format(__version__))
    manager = ManagerWorker(
        queue_prefixes, concurrency, interval, batchsize,
        prefetch_multiplier=prefetch_multiplier, region=region,
        access_key_id=access_key_id, secret_access_key=secret_access_key,
    )
    _add_cwd_to_path()
    manager.start()
    manager.sleep()