#9166: NotImplemented is not an exception.

birkenfeld · birkenfeld · commit b0f0991cdb58 · 2010-07-05T17:48:38.000Z
diff --git a/Doc/whatsnew/2.7.rst b/Doc/whatsnew/2.7.rst
@@ -1072,7 +1072,7 @@ changes, or look through the Subversion logs for all the details.
   (Added by Raymond Hettinger; :issue:`1818`.)
 
   Finally, the :class:`~collections.Mapping` abstract base class now
-  raises a :exc:`NotImplemented` exception if a mapping is compared to
+  returns :const:`NotImplemented` if a mapping is compared to
   another type that isn't a :class:`Mapping`.
   (Fixed by Daniel Stutzbach; :issue:`8729`.)
 
