[IPython-dev] reducing install dependencies (pip install ipython[extras])

Aaron O'Leary aaron.oleary at gmail.com
Mon Apr 13 16:56:01 EDT 2015

Before version 3.1.0 it was possible to do

    pip install ipython[nbformat]

to install ipython and the nbformat machinery without needing to
install the full notebook dependencies (`pip install

This seems to have been deprecated (along with ipython[nbconvert]). It
was useful, but not critical, for notedown. Is this likely to be a
permanent change?


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