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

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

@@ -0,0 +1,8 @@
+from django.apps import AppConfig
+from django.utils.translation import gettext_lazy as _
+
+
+class FlatPagesConfig(AppConfig):
+    default_auto_field = "django.db.models.AutoField"
+    name = "django.contrib.flatpages"
+    verbose_name = _("Flat Pages")