根据更重要的是:

SOCIAL_AUTH_URL_NAMESPACE = 'social'

有空

SOCIAL_AUTH_URL_NAMESPACE = "users:social"

还应考虑，Social_AUTH_URL_NAMESPACE必须使用 settings.py 而不是 urls.py

Also consider that SOCIAL_AUTH_URL_NAMESPACE must be written in settings.py, not in urls.py