[1.8.x] Fixed #24249 -- Improved field shadowing validation in model multi-inheritance.

Backport of 4d73303ee974c5f1ea6af984d4578d817825026d from master

1 files changed, 1 insertions, 1 deletions

diff --git a/django/db/models/base.py b/django/db/models/base.py
index 7bc726a617..f95c182566 100644
--- a/django/db/models/base.py
+++ b/django/db/models/base.py
@@ -1308,7 +1308,7 @@ class Model(six.with_metaclass(ModelBase)):
         used_fields = {}  # name or attname -> field
 
         # Check that multi-inheritance doesn't cause field name shadowing.
-        for parent in cls._meta.parents:
+        for parent in cls._meta.get_parent_list():
             for f in parent._meta.local_fields:
                 clash = used_fields.get(f.name) or used_fields.get(f.attname) or None
                 if clash: