diff options
| -rw-r--r-- | Doc/whatsnew/3.4.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Doc/whatsnew/3.4.rst b/Doc/whatsnew/3.4.rst index 26dc2fa..a2701a2 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. |