celery版本为5.2.7

查看 celery/init.py中有Celery包

.....
__version__ = '5.2.7'
__author__ = 'Ask Solem'
__contact__ = '[email protected]'
__homepage__ = 'http://celeryproject.org'
__docformat__ = 'restructuredtext'
__keywords__ = 'task job queue distributed messaging actor'

# -eof meta-

__all__ = (
    'Celery', 'bugreport', 'shared_task', 'Task',
    'current_app', 'current_task', 'maybe_signature',
    ...

修复方案： importlib-metadata 降级到 4.13.0即可