Fix aiterator (#1449)

Author: kjagiello

django-stubs/db/models/manager.pyi

@@ -1,5 +1,5 @@
 import datetime
-from collections.abc import Collection, Iterable, Iterator, MutableMapping, Sequence
+from collections.abc import AsyncIterator, Collection, Iterable, Iterator, MutableMapping, Sequence
 from typing import Any, Generic, NoReturn, TypeVar, overload
 
 from _typeshed import Self
@@ -37,7 +37,7 @@ class BaseManager(Generic[_T]):
     # NOTE: The following methods are in common with QuerySet, but note that the use of QuerySet as a return type
     # rather than a self-type (_QS), since Manager's QuerySet-like methods return QuerySets and not Managers.
     def iterator(self, chunk_size: int = ...) -> Iterator[_T]: ...
-    async def aiterator(self, chunk_size: int = ...) -> Iterator[_T]: ...
+    def aiterator(self, chunk_size: int = ...) -> AsyncIterator[_T]: ...
     def aggregate(self, *args: Any, **kwargs: Any) -> dict[str, Any]: ...
     async def aaggregate(self, *args: Any, **kwargs: Any) -> dict[str, Any]: ...
     def get(self, *args: Any, **kwargs: Any) -> _T: ...

django-stubs/db/models/query.pyi

@@ -64,6 +64,7 @@ class _QuerySet(Generic[_T, _Row], Collection[_Row], Reversible[_Row], Sized):
     # IMPORTANT: When updating any of the following methods' signatures, please ALSO modify
     # the corresponding method in BaseManager.
     def iterator(self, chunk_size: int = ...) -> Iterator[_Row]: ...
+    def aiterator(self, chunk_size: int = ...) -> AsyncIterator[_Row]: ...
     def aggregate(self, *args: Any, **kwargs: Any) -> dict[str, Any]: ...
     async def aaggregate(self, *args: Any, **kwargs: Any) -> dict[str, Any]: ...
     def get(self, *args: Any, **kwargs: Any) -> _Row: ...
@@ -206,7 +207,6 @@ class RawQuerySet(Iterable[_T], Sized):
     @property
     def db(self) -> str: ...
     def iterator(self) -> Iterator[_T]: ...
-    async def aiterator(self) -> Iterator[_T]: ...
     @property
     def model_fields(self) -> dict[str, str]: ...
     def prefetch_related(self, *lookups: Any) -> RawQuerySet[_T]: ...