bpo-42395: Add aclosing to __all__ (GH-23356)

tomgrin10 · web-flow · commit d0d4a450679b · 2020-11-17T15:18:05.000-08:00
Automerge-Triggered-By: GH:asvetlov
diff --git a/Lib/contextlib.py b/Lib/contextlib.py
@@ -9,7 +9,7 @@
 __all__ = ["asynccontextmanager", "contextmanager", "closing", "nullcontext",
            "AbstractContextManager", "AbstractAsyncContextManager",
            "AsyncExitStack", "ContextDecorator", "ExitStack",
-           "redirect_stdout", "redirect_stderr", "suppress"]
+           "redirect_stdout", "redirect_stderr", "suppress", "aclosing"]
 
 
 class AbstractContextManager(abc.ABC):
