On Jun 22, 2010, at 10:08 AM, Benjamin Peterson wrote: > . There was a typo in > abc.py which prevented it from raising errors when non new-style class > objects were passed in.
For 2.x, that was probably a good thing, a happy accident that made it possible to register existing mapping classes as a MutableMapping. "Fixing" that typo will break code that currently uses ABCs with old-style classes. I believe we are better-off leaving this as it was released in 2.6. Raymond _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
