如何在django-registration app中禁用电子邮件激活？

AUTHENTICATION_BACKENDS = (
    'django.contrib.auth.backends.ModelBackend',
    'registration.backends.default.ModelBackend',
)

MIDDLEWARE = [
    ...
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    ...
]

REGISTRATION_OPEN = True
ACCOUNT_ACTIVATION_DAYS = 0
REGISTRATION_AUTO_LOGIN = True

from django.contrib import admin
from django.urls import path, include

urlpatterns = [
    path('admin/', admin.site.urls),
    path('accounts/', include('registration.backends.default.urls')),
]