Depend on local versions of jupyter-widgets
Depend on local versions of jupyter-widgets

Embedding widgets does not work against the versions of
jupyter-widgets/{base,controls} deployed on NPM (which still refer
to the old 'jupyter-js-widgets' module name.

ipython/ipywidgets,jupyter-widgets/ipywidgets,jupyter-widgets/ipywidgets,SylvainCorlay/ipywidgets,jupyter-widgets/ipywidgets,ipython/ipywidgets,ipython/ipywidgets,SylvainCorlay/ipywidgets,jupyter-widgets/ipywidgets,SylvainCorlay/ipywidgets,ipython/ipywidgets,ipython/ipywidgets,SylvainCorlay/ipywidgets