Add missing mixin to SuccessNextMixin

aleksis/core/mixins.py

@@ -5,7 +5,7 @@ from typing import Any, Callable, List, Optional, Tuple, Union
 
 from django.conf import settings
 from django.contrib import messages
-from django.contrib.auth.views import LoginView
+from django.contrib.auth.views import LoginView, SuccessURLAllowedHostsMixin
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.sites.managers import CurrentSiteManager
 from django.contrib.sites.models import Site
@@ -416,7 +416,7 @@ class SuccessMessageMixin(ModelFormMixin):
         return super().form_valid(form)
 
 
-class SuccessNextMixin:
+class SuccessNextMixin(SuccessURLAllowedHostsMixin):
     redirect_field_name = "next"
 
     def get_success_url(self) -> str: