turns out you have to specify OS on sauce labs
turns out you have to specify OS on sauce labs

original-commit-id: 913dda43b596004dab4148a3465affad43594409
original-commit-url: https://github.com/ipython-contrib/IPython-notebook-extensions/commit/913dda43b596004dab4148a3465affad43594409

jcb91/jupyter_nbextensions_configurator,jcb91/jupyter_nbextensions_configurator,jcb91/jupyter_nbextensions_configurator,jcb91/jupyter_nbextensions_configurator