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-rw-r--r--django/db/models/query.py6
1 files changed, 3 insertions, 3 deletions
diff --git a/django/db/models/query.py b/django/db/models/query.py
index 36ebec1905..1b3c2629d6 100644
--- a/django/db/models/query.py
+++ b/django/db/models/query.py
@@ -796,13 +796,13 @@ class QuerySet:
"""
Return a new QuerySet instance with filter_obj added to the filters.
- filter_obj can be a Q object (or anything with an add_to_query()
- method) or a dictionary of keyword lookup arguments.
+ filter_obj can be a Q object or a dictionary of keyword lookup
+ arguments.
This exists to support framework features such as 'limit_choices_to',
and usually it will be more natural to use other methods.
"""
- if isinstance(filter_obj, Q) or hasattr(filter_obj, 'add_to_query'):
+ if isinstance(filter_obj, Q):
clone = self._clone()
clone.query.add_q(filter_obj)
return clone