Github user Leemoonsoo commented on the issue:
https://github.com/apache/zeppelin/pull/1182
I think we can merge #1171 and then merge #1182, while this PR includes
different improvements. (`$scope.hot = null` and `updateSettings`)
I didn't marked #1171 as a hotfix, but let me merge #1171 quickly, and then
let's merge #1182.
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