Fixed #36709 -- Included static methods in system check for UserModel.is_anonymous/is_authenticated methods.

1 files changed, 2 insertions, 3 deletions

diff --git a/django/contrib/auth/checks.py b/django/contrib/auth/checks.py
index cf23c51746..0de4cf49f1 100644
--- a/django/contrib/auth/checks.py
+++ b/django/contrib/auth/checks.py
@@ -1,5 +1,4 @@
 from itertools import chain
-from types import MethodType
 
 from django.apps import apps
 from django.conf import settings
@@ -98,7 +97,7 @@ def check_user_model(app_configs, **kwargs):
                 )
             )
 
-    if isinstance(cls().is_anonymous, MethodType):
+    if callable(cls().is_anonymous):
         errors.append(
             checks.Critical(
                 "%s.is_anonymous must be an attribute or property rather than "
@@ -108,7 +107,7 @@ def check_user_model(app_configs, **kwargs):
                 id="auth.C009",
             )
         )
-    if isinstance(cls().is_authenticated, MethodType):
+    if callable(cls().is_authenticated):
         errors.append(
             checks.Critical(
                 "%s.is_authenticated must be an attribute or property rather "