tasks, accept, hostname = _loc ValueError: not enough values to unpack (expected 3, got 0)

tasks, accept, hostname = _loc ValueError: not enough values to unpack (expected 3, got 0)

解决：
方法1：卸载最新的celery ,安装3.1.24左右的版本
方法2：

#导入
pip install eventlet
#启动
celery -A celery_tasks.main worker -l info -P eventlet