Remove accidental change in RawQuerySet.

Author: syastrov

django-stubs/db/models/query.pyi

@@ -96,11 +96,17 @@ class QuerySet(Generic[_T, _Row], Sized):
     ) -> RawQuerySet: ...
     def values(self, *fields: Union[str, Combinable], **expressions: Any) -> QuerySet[_T, Dict[str, Any]]: ...
     @overload
-    def values_list(self, *fields: Union[str, Combinable], flat: Literal[False] = ..., named: Literal[True]) -> QuerySet[_T, NamedTuple]: ...
+    def values_list(
+        self, *fields: Union[str, Combinable], flat: Literal[False] = ..., named: Literal[True]
+    ) -> QuerySet[_T, NamedTuple]: ...
     @overload
-    def values_list(self, *fields: Union[str, Combinable], flat: Literal[True], named: Literal[False] = ...) -> QuerySet[_T, Any]: ...
+    def values_list(
+        self, *fields: Union[str, Combinable], flat: Literal[True], named: Literal[False] = ...
+    ) -> QuerySet[_T, Any]: ...
     @overload
-    def values_list(self, *fields: Union[str, Combinable], flat: Literal[False] = ..., named: Literal[False] = ...) -> QuerySet[_T, Tuple]: ...
+    def values_list(
+        self, *fields: Union[str, Combinable], flat: Literal[False] = ..., named: Literal[False] = ...
+    ) -> QuerySet[_T, Tuple]: ...
     def dates(self, field_name: str, kind: str, order: str = ...) -> QuerySet: ...
     def datetimes(self, field_name: str, kind: str, order: str = ..., tzinfo: None = ...) -> QuerySet: ...
     def none(self) -> QuerySet[_T, _Row]: ...
@@ -159,7 +165,7 @@ class RawQuerySet(Iterable[_T], Sized):
     @overload
     def __getitem__(self, k: str) -> Any: ...
     @overload
-    def __getitem__(self, k: slice) -> QuerySet[_T, _Row]: ...
+    def __getitem__(self, k: slice) -> RawQuerySet[_T]: ...
     @property
     def columns(self) -> List[str]: ...
     @property