[yt-dev] Issue #662: Use pip to manage pure python dependencies in the install script (yt_analysis/yt)

[Nathan Goldbaum]

New issue 662: Use pip to manage pure python dependencies in the install script
https://bitbucket.org/yt_analysis/yt/issue/662/use-pip-to-manage-pure-python-dependencies

Nathan Goldbaum:

I believe that was the cause of Mark Krumholz's issue in this thread: http://lists.spacepope.org/pipermail/yt-users-spacepope.org/2013-September/004032.html

This is a somewhat dramatic change compared to what we currently do in the install script, but I think it's necessary.  Another option would be to make `yt update --all` a bit smarter or have it `pip uninstall` outdated python packages.