Update whatsnew for 3.10 release about addition of contextlib.aclosing (GH-23217)

achimnol · web-flow · commit 3eb284622579 · 2020-11-10T17:19:11.000+02:00
diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
@@ -176,6 +176,13 @@ codecs
 Add a :func:`codecs.unregister` function to unregister a codec search function.
 (Contributed by Hai Shi in :issue:`41842`.)
 
+contextlib
+----------
+
+Add a :func:`contextlib.aclosing` context manager to safely close async generators
+and objects representing asynchronously released resources.
+(Contributed by Joongi Kim and John Belmonte in :issue:`41229`.)
+
 curses
 ------
 
