On Fri, 3 Feb 2012 19:19:21 -0500 Benjamin Peterson <benjamin at python.org> wrote: > 2012年2月3日 Ethan Furman <ethan at stoneleaf.us>: > > Good news! PEP 409 has been accepted! >> It may be too late for this, but I find the whole Ellipsis business > most unpleasant. Why not just have a extra attribute on exception > objects like __chain__ = False/True? Incredibly agreed with Benjamin. Regards Antoine.