whatsnew: total_ordering supports NotImplemented (#10042)

diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 2f1c9049d318306bf876ce52236c2506d12236cb..ed72fedaa28b5b44e71c1a8718bd50da339ff375 100644 (file)
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -811,6 +811,10 @@ stdlib; in CPython it is overridden by the C accelerated version, but it is
 available for other implementations to use.  (Contributed by Brian Thorne in
 :issue:`12428`.)
 
+:func:`~functools.total_ordering` now supports a return value of
+:const:`NotImplemented` from the underlying comparison function.  (Contributed
+by Katie Miller in :issue:`10042`.)
+
 
 gc
 --