From f64fd47a7627ed6ffe2df2a32ded6ee528a784eb Mon Sep 17 00:00:00 2001
From: Mariusz Felisiak <felisiak.mariusz@gmail.com>
Date: Fri, 7 Jul 2023 08:06:01 +0200
Subject: Fixed #9602 -- Added AdminSite.get_model_admin().

This allows retrieving an admin class for the given model class without
using internal attributes.
---
 tests/admin_checks/tests.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'tests/admin_checks')

diff --git a/tests/admin_checks/tests.py b/tests/admin_checks/tests.py
index 417c8504ed..d2d1eb219e 100644
--- a/tests/admin_checks/tests.py
+++ b/tests/admin_checks/tests.py
@@ -276,8 +276,7 @@ class SystemChecksTestCase(SimpleTestCase):
         class MyBookAdmin(admin.ModelAdmin):
             def check(self, **kwargs):
                 errors = super().check(**kwargs)
-                author_admin = self.admin_site._registry.get(Author)
-                if author_admin is None:
+                if not self.admin_site.is_registered(Author):
                     errors.append("AuthorAdmin missing!")
                 return errors
 
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