Resolve _asyncio issues (#14089)

Author: max-muoto

stdlib/@tests/stubtest_allowlists/py314.txt

@@ -3,8 +3,6 @@
 # ====================================================================
 
 _asyncio.all_tasks
-_asyncio.future_add_to_awaited_by
-_asyncio.future_discard_from_awaited_by
 _heapq.heapify_max
 _heapq.heappop_max
 _heapq.heappush_max

stdlib/_asyncio.pyi

@@ -103,3 +103,7 @@ def _leave_task(loop: AbstractEventLoop, task: Task[Any]) -> None: ...
 
 if sys.version_info >= (3, 12):
     def current_task(loop: AbstractEventLoop | None = None) -> Task[Any] | None: ...
+
+if sys.version_info >= (3, 14):
+    def future_discard_from_awaited_by(future: Future[Any], waiter: Future[Any], /) -> None: ...
+    def future_add_to_awaited_by(future: Future[Any], waiter: Future[Any], /) -> None: ...

stdlib/asyncio/futures.pyi

@@ -8,6 +8,8 @@ from .events import AbstractEventLoop
 
 # Keep asyncio.__all__ updated with any changes to __all__ here
 if sys.version_info >= (3, 14):
+    from _asyncio import future_add_to_awaited_by, future_discard_from_awaited_by
+
     __all__ = ("Future", "wrap_future", "isfuture", "future_discard_from_awaited_by", "future_add_to_awaited_by")
 else:
     __all__ = ("Future", "wrap_future", "isfuture")
@@ -19,7 +21,3 @@ _T = TypeVar("_T")
 # That's why the import order is reversed.
 def isfuture(obj: object) -> TypeIs[Future[Any]]: ...
 def wrap_future(future: _ConcurrentFuture[_T] | Future[_T], *, loop: AbstractEventLoop | None = None) -> Future[_T]: ...
-
-if sys.version_info >= (3, 14):
-    def future_discard_from_awaited_by(future: Future[Any], waiter: Future[Any], /) -> None: ...
-    def future_add_to_awaited_by(future: Future[Any], waiter: Future[Any], /) -> None: ...