fix pylint errors on all() and filter()

docs/changelog/index.rst

@@ -1,6 +1,13 @@
 Changelog
 =========
 
+v4.11.4 (2026-05-28)
+--------------------
+
+* Fixed `pylint issue starting in version 4.11.0: E1111 assignment-from-no-return
+  <https://github.com/django-commons/django-polymorphic/issues/898>`_
+
+
 v4.11.3 (2026-04-30)
 --------------------
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "django-polymorphic"
-version = "4.11.3"
+version = "4.11.4"
 description = "Seamless polymorphic inheritance for Django models."
 readme = "README.md"
 license = "BSD-3-Clause"

src/polymorphic/__init__.py

@@ -21,7 +21,7 @@
 
 from typing import Final
 
-VERSION: Final[str] = "4.11.3"
+VERSION: Final[str] = "4.11.4"
 
 __title__: Final = "Django Polymorphic"
 __version__ = VERSION  # version synonym for backwards compatibility

src/polymorphic/managers.py

@@ -84,8 +84,11 @@ class PolymorphicManager(models.Manager[_All], Generic[_All, _Base]):
 
     if TYPE_CHECKING:
 
-        def all(self) -> PolymorphicQuerySet[_All, _Base]: ...
-        def filter(self, *args: Any, **kwargs: Any) -> PolymorphicQuerySet[_All, _Base]: ...
+        def all(self) -> PolymorphicQuerySet[_All, _Base]:
+            return self.get_queryset()
+
+        def filter(self, *args: Any, **kwargs: Any) -> PolymorphicQuerySet[_All, _Base]:
+            return self.get_queryset().filter(*args, **kwargs)
 
     @classmethod
     def from_queryset(

src/polymorphic/related_descriptors.py

@@ -45,7 +45,7 @@ def get_queryset(self, **hints: Any) -> QuerySet[Any]:
                     self.related.related_model,
                     "_base_objects",
                     # don't fail if we've been used on a non-poly model
-                    self.related.related_model._base_manager,  # type: ignore[union-attr]
+                    self.related.related_model._base_manager,
                 )
             )
             .db_manager(hints=hints)