id	summary	reporter	owner	description	type	status	priority	milestone	component	resolution	keywords	cc	branch	branch_author	launchpad_bug
5519	Failure should become a new style class	fijal		"According to glyph and exarkun, there is never ever a good reason to subclass a Failure, so it should not be a backwards incompatible change to make Failure a new style class.

Also, we can prohibit subclassing it in the first place *and* it makes pypy slightly faster."	enhancement	new	normal	Python-3.x	core		py3k