From 166135a2362a9b8bf3d74873f1a2f802d3e5a3a1 Mon Sep 17 00:00:00 2001
From: zandercymatics <141044360+zandercymatics@users.noreply.github.com>
Date: Tue, 13 Feb 2024 10:35:38 -0700
Subject: [PATCH] Add comment

---
 src/registrar/views/domain.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/registrar/views/domain.py b/src/registrar/views/domain.py
index c7981f617..653eb8661 100644
--- a/src/registrar/views/domain.py
+++ b/src/registrar/views/domain.py
@@ -786,7 +786,9 @@ class DomainAddUserView(DomainFormBaseView):
 
         return redirect(self.get_success_url())
 
-
+# The order of the superclasses matters here. BaseDeleteView has a bug where the 
+# "form_valid" function does not call super, so it cannot use SuccessMessageMixin.
+# The workaround is to use SuccessMessageMixin first.
 class DomainInvitationDeleteView(SuccessMessageMixin, DomainInvitationPermissionDeleteView):
     object: DomainInvitation  # workaround for type mismatch in DeleteView