fix: Correction de l'affichage du message d'erreur lors de l'authentification.

venv/lib/python3.10/site-packages/django/contrib/flatpages/sitemaps.py

@@ -0,0 +1,14 @@
+from django.apps import apps as django_apps
+from django.contrib.sitemaps import Sitemap
+from django.core.exceptions import ImproperlyConfigured
+
+
+class FlatPageSitemap(Sitemap):
+    def items(self):
+        if not django_apps.is_installed("django.contrib.sites"):
+            raise ImproperlyConfigured(
+                "FlatPageSitemap requires django.contrib.sites, which isn't installed."
+            )
+        Site = django_apps.get_model("sites.Site")
+        current_site = Site.objects.get_current()
+        return current_site.flatpage_set.filter(registration_required=False)