[IPython-dev] Can't install IPython 3.0, can't reinstall IPython 2.4

[Conery John]

I tried to upgrade to IPython 3 by running

	$ pip3 install “ipython[notebook]” --upgrade

but the install fails with a message that says "AttributeError: _DistInfoDistribution__dep_map”.

Thinking I might try doing a clean install I uninstalled the previous version and ran “pip3 install” again but got the same result.

I tried to revert to the old version by downloading ipython-rel-2.4.1.tar.gz from GitHub, but that’s also giving me an error message:

	$ python3 setup.py install
	...
	AssertionError: Missing package data: IPython/html/static/components/backbone/backbone-min.js

Any suggestions for how to get IPython (either version) running?

I use Python 3.4.2 running on Mac OS X 10.10.2.

Thanks....

John Conery