Fix type hints of assert functions (#1271)

* Fix type hints of assert functions

Updated type hints in assert functions to use Iterable instead of Collection.
And have assertRaisesMessage return something to use as a context manager.

* Remove unused 'Collection' import

Author: mschoettle

pytest_django/asserts.py

@@ -25,7 +25,7 @@ class MessagesTestCase(MessagesTestMixin, TestCase):
     test_case = TestCase("run")
 
 if TYPE_CHECKING:
-    from collections.abc import Callable, Collection, Iterator, Sequence
+    from collections.abc import Callable, Iterable, Iterator, Sequence
     from contextlib import AbstractContextManager
     from typing import Any, overload
 
@@ -130,14 +130,14 @@ def assertRaisesMessage(
         expected_message: str,
         *args: Any,
         **kwargs: Any,
-    ) -> None: ...
+    ) -> Any: ...
 
     def assertWarnsMessage(
         expected_warning: Warning,
         expected_message: str,
         *args: Any,
         **kwargs: Any,
-    ) -> None: ...
+    ) -> Any: ...
 
     def assertFieldOutput(
         fieldclass: type[forms.Field],
@@ -146,7 +146,7 @@ def assertFieldOutput(
         field_args: Any = ...,
         field_kwargs: Any = ...,
         empty_value: str = ...,
-    ) -> None: ...
+    ) -> Any: ...
 
     def assertHTMLEqual(
         html1: str,
@@ -201,15 +201,15 @@ def assertXMLNotEqual(
     # Removed in Django 5.1: use assertQuerySetEqual.
     def assertQuerysetEqual(
         qs: Iterator[Any] | list[Model] | QuerySet | RawQuerySet,
-        values: Collection[Any],
+        values: Iterable[Any],
         transform: Callable[[Model], Any] | type[str] | None = ...,
         ordered: bool = ...,
         msg: str | None = ...,
     ) -> None: ...
 
     def assertQuerySetEqual(
         qs: Iterator[Any] | list[Model] | QuerySet | RawQuerySet,
-        values: Collection[Any],
+        values: Iterable[Any],
         transform: Callable[[Model], Any] | type[str] | None = ...,
         ordered: bool = ...,
         msg: str | None = ...,