[3.11] gh-111797: fix enum how-to (GH-111805)

ethanfurman · web-flow · commit 4edf25565f20 · 2023-11-06T18:57:10.000-08:00
remove extra error line in how-to
diff --git a/Doc/howto/enum.rst b/Doc/howto/enum.rst
@@ -1401,7 +1401,6 @@ alias::
     Traceback (most recent call last):
       ...
     ValueError: aliases not allowed in DuplicateFreeEnum:  'GRENE' --> 'GREEN'
-    Error calling __set_name__ on '_proto_member' instance 'GRENE' in 'Color'
 
 .. note::
 
