ipython/ipython — pull request #5522 by minrk (2014-04-04 18:02:16+00:00)
Title: fix iteration over Client

I didn't intend for Client to be iterable, but defining `__getitem__` makes it iterable as long as engine IDs are continuous (not always the case).

This explicitly defines `__iter__` so it behaves consistently.

closes #5519