Celery是什么
    https://docs.celeryproject.org/en/stable/index.html

    安装Redis

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    1. pip install celery -- 安装Celery
    2. pip install -U "celery[redis]"  -- 安装Redis依赖
    3. pip install eventlet -- 解决win10报错
    4. celery -A tasks worker --loglevel=INFO -P eventlet -E