From: Brett Cannon <brett@python.org>
Date: Tue, 9 Apr 2013 21:03:10 +0000 (-0400)
Subject: What's new entry for issue #17093
X-Git-Tag: v3.4.0a1~999
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=777622b6ca8ebf1ab3d8dbbb65fb7d0799b78a1d;p=thirdparty%2FPython%2Fcpython.git

What's new entry for issue #17093
---

diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst
index 26dc2faffc20..a2701a27765f 100644
--- a/Doc/whatsnew/3.4.rst
+++ b/Doc/whatsnew/3.4.rst
@@ -209,4 +209,8 @@ Porting to Python 3.4
 This section lists previously described changes and other bugfixes
 that may require changes to your code.
 
-* Nothing yet.
+* The ABCs defined in :mod:`importlib.abc` now either raise the appropriate
+  exception or return a default value instead of raising
+  :exc:`NotImplementedError` blindly. This will only affect code calling
+  :func:`super` and falling through all the way to the ABCs. For compatibility,
+  catch both :exc:`NotImplementedError` or the appropriate exception as needed.