celery ValueError: not enough values to uppack(expected 3, got 0)

1. Use celery -A celery_app worker -l info When it starts , Reported the error as described in the title , At first, I thought it was a version mismatch , Later Baidu , be supposed to win10 Up operation celery5.0+ That's what happens , Need to install eventlet To solve .
2. I installed eventlet yes 0.25.1 edition
3. You can start it with the following command ：

celery -A celery_app worker -l info -P eventlet