ipython/ipython — pull request #6548 by SylvainCorlay (2014-09-26 01:57:11+00:00)
Title: Make Widget.views be an object indexed by view id

`WidgetModel.views` is currently an array of views. I find it much more convenient to make it an object indexed by view id, like `WidgetView.child_views` is. @jdfreder