Celery 报错 Windows 平台：ValueError: not enough values to unpack (expected 3, got 0)

在Windows平台Celery运行的时候报错：ValueError: not enough values to unpack

[2019-05-06 09:50:10,365: ERROR/MainProcess] Task handler raised error: ValueError('not enough values to unpack (expected 3, got 0)')
Traceback (most recent call last):
  File "c:\users\lzjun\.virtualenvs\weihub-flask-j3runhkh\lib\site-packages\billiard\pool.py", line 358, in workloop
    result = (True, prepare_result(fun(*args, **kwargs)))
  File "c:\users\lzjun\.virtualenvs\weihub-flask-j3runhkh\lib\site-packages\celery\app\trace.py", line 544, in _fast_trace_task
    tasks, accept, hostname = _loc
ValueError: not enough values to unpack (expected 3, got 0)

Celery 的版本是4.3.0，解决的方法是启动celery的时候添加参数 --pool=solo

celery -A your_app_name worker --pool=solo -l info

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Celery 报错 Windows 平台：ValueError: not enough values to unpack (expected 3, got 0)

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