celery4.0.2在linux中的运行结果，如下。
这好像是权限的问题，不太确定，有没有遇到的或知道怎么解决的？

/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/platforms.py:793: RuntimeWarning: You're running the worker with superuser privileges: this is

absolutely not recommended!

Please specify a different user using the -u option.

User information: uid=0 euid=0 gid=0 egid=0

  uid=uid, euid=euid, gid=gid, egid=egid,

Traceback (most recent call last):

  File "/usr/python3.6/lib/python3.6/site-packages/kombu-4.2.1-py3.6.egg/kombu/transport/base.py", line 123, in __getattr__

    return self[key]

KeyError: 'async'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/usr/bin/celery", line 9, in <module>

    load_entry_point('celery==4.0.2', 'console_scripts', 'celery')()

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/__main__.py", line 14, in main

    _main()

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/bin/celery.py", line 326, in main

    cmd.execute_from_commandline(argv)

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/bin/celery.py", line 488, in execute_from_commandline

    super(CeleryCommand, self).execute_from_commandline(argv)))

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/bin/base.py", line 281, in execute_from_commandline

    return self.handle_argv(self.prog_name, argv[1:])

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/bin/celery.py", line 480, in handle_argv

    return self.execute(command, argv)

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/bin/celery.py", line 412, in execute

    ).run_from_argv(self.prog_name, argv[1:], command=argv[0])

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/bin/worker.py", line 221, in run_from_argv

    return self(*args, **options)

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/bin/base.py", line 244, in __call__

    ret = self.run(*args, **kwargs)

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/bin/worker.py", line 255, in run

    **kwargs)

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/worker/worker.py", line 99, in __init__

    self.setup_instance(**self.prepare_args(**kwargs))

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/worker/worker.py", line 122, in setup_instance

    self.should_use_eventloop() if use_eventloop is None

  File "/usr/python3.6/lib/python3.6/site-packages/celery-4.0.2-py3.6.egg/celery/worker/worker.py", line 241, in should_use_eventloop

    self._conninfo.transport.implements.async and

  File "/usr/python3.6/lib/python3.6/site-packages/kombu-4.2.1-py3.6.egg/kombu/transport/base.py", line 125, in __getattr__

    raise AttributeError(key)

AttributeError: async