adding new form

venv/lib/python3.11/site-packages/django/contrib/sites/apps.py

@@ -0,0 +1,17 @@
+from django.apps import AppConfig
+from django.contrib.sites.checks import check_site_id
+from django.core import checks
+from django.db.models.signals import post_migrate
+from django.utils.translation import gettext_lazy as _
+
+from .management import create_default_site
+
+
+class SitesConfig(AppConfig):
+    default_auto_field = "django.db.models.AutoField"
+    name = "django.contrib.sites"
+    verbose_name = _("Sites")
+
+    def ready(self):
+        post_migrate.connect(create_default_site, sender=self)
+        checks.register(check_site_id, checks.Tags.sites)