Fixed #32863 -- Skipped system check for specifying type of auto-created primary keys on models with invalid app_label.

Regression in b5e12d490af3debca8c55ab3c1698189fdedbbdb.

Thanks Iuri de Silvio for the report.

1 files changed, 1 insertions, 0 deletions

diff --git a/django/db/models/base.py b/django/db/models/base.py
index 0f8af9f920..b1202f51c7 100644
--- a/django/db/models/base.py
+++ b/django/db/models/base.py
@@ -1310,6 +1310,7 @@ class Model(metaclass=ModelBase):
                 cls._meta.pk.remote_field.parent_link
             ) and
             not settings.is_overridden('DEFAULT_AUTO_FIELD') and
+            cls._meta.app_config and
             not cls._meta.app_config._is_default_auto_field_overridden
         ):
             return [