Perhaps you need to install from the Jupyter repository now that everything has been happening since jupyter was released? The next releases will be not only for ipython, but also for other kernels such as julia and bash, etc.
From https://github.com/jupyter/jupyter_notebook
Create a virtual env (ie jupyter-dev)
ensure that you have node/npm installed (ie brew install node on OS X)
Clone this repo and cd into it
pip install -r requirements.txt
pip install -e .
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