Fixed LogoutView for Django 4

dav_auth/views.py

@@ -48,9 +48,10 @@ class LoginView(auth_views.LoginView):
 
 
 class LogoutView(auth_views.LogoutView):
-    def get_next_page(self):
-        url = super().get_next_page()
-        if not url and app_config.settings.logout_redirect_url:
+    @property
+    def next_page(self):
+        url = None
+        if app_config.settings.logout_redirect_url:
             url = resolve_url(app_config.settings.logout_redirect_url)
         return url