Jupyter widgets 7.0 update

[jasongrout]

nbviewer/nbviewer/templates/layout.html

Line 160 in 5ac2643

<script src="https://unpkg.com/[email protected].*/dist/embed.js"></script>

is very specific to Jupyter widgets 6.x. It should be updated to support both widgets 6.x and 7.x (which would require checking the metadata and determining which version, and then either using that embed url or using the new embed URL (see http://ipywidgets.readthedocs.io/en/stable/migration_guides.html?highlight=migrate#updating-embedded-widgets)

[labarba]

I would love to see this fix! It will make my new lesson shine on nbviewer:
http://go.gwu.edu/engcomp2lesson4

Commenting here to get a notification with updates!

[cornhundred]

You can still get widgets to display on nbviewer if you save them using ipywidgets/jupyter-widgets version 6.0, see example