From 907bcde87cf483ead2c35db33de8b82421fc155a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adri=C3=A0=20Tarroja=20Caubet?= <atarroja@kopen.es>
Date: Thu, 6 Aug 2026 13:08:45 +0200
Subject: [PATCH] Call on_change_party without assignment in SEPA mandate
 migration

The method updates the address in place and returns None. Assigning its
return value to the address raises an AssertionError.

Closes #14996
---
 doc/migration.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/migration.rst b/doc/migration.rst
index daf6623d1a..f15703233f 100644
--- a/doc/migration.rst
+++ b/doc/migration.rst
@@ -108,7 +108,7 @@ After
          ])
 
      for mandate in mandates:
-         mandate.address = mandate.on_change_party()
+         mandate.on_change_party()
 
      Mandate.save(mandates)