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At least log an error if there is no create or remove defined.

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We might just remove this...
This commit is contained in:
Jason Grout 2014-11-21 23:21:52 +00:00
parent bc0cb3c8b5
commit 05d013db59
1 changed files with 3 additions and 0 deletions
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3
IPython/html/static/widgets/js/widget.js
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@ -621,6 +621,9 @@ define(["widgets/js/manager",
// returns a promise that resolves after this update is done
var remove = remove_view || this._remove_view;
var create = create_view || this._create_view;
if (create === undefined || remove === undefined){
console.error("Must define a create a remove function");
}
var context = context || this._handler_context;
var added_views = [];
var that = this;