Carreau/ipython — pull request #1 by bfroehle (2012-07-05 23:12:21+00:00)
Title: Apply most 2to3 raise fixes.

You might want to cherry-pick this into your 2to3fixes branch, or if you think it'll make reviewing that too difficult just wait on it.

Anyway, this adds most (but not all) `2to3 -f raise` fixes. I'll add a couple of inline comments too.