ipython/ipython — pull request #7202 by minrk (2014-12-12 23:04:28+00:00)
Title: use `-c` to launch ipengine/ipcontroller on Windows Python 2

The previous behavior, introduced to workaround multiprocessing bugs (#4911), caused an instance check failure, preventing `bind_kernel` from being able to tell if the kernel is an engine.

closes #7198