[issue12555] PEP 3151 implementation

[Roundup Robot]

Roundup Robot <devnull at psf.upfronthosting.co.za> added the comment:

New changeset 41a1de81ef2b by Antoine Pitrou in branch 'default':
PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
http://hg.python.org/cpython/rev/41a1de81ef2b

----------
nosy: +python-dev

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12555>
_______________________________________