revert devtool alert (#1238)
revert devtool alert (#1238)


robert-digit/superset,timifasubaa/incubator-superset,airbnb/caravel,BRD-CD/superset,zhouyao1994/incubator-superset,timifasubaa/incubator-superset,alanmcruickshank/superset-dev,asdf2014/superset,zhouyao1994/incubator-superset,alanmcruickshank/superset-dev,apache/incubator-superset,mistercrunch/panoramix,SingTel-DataCo/incubator-superset,massgov/incubator-superset,SingTel-DataCo/incubator-superset,apache/incubator-superset,BRD-CD/superset,airbnb/caravel,ArijanaBrlek/superset,BRD-CD/superset,alanmcruickshank/superset-dev,FrederichCheng/incubator-superset,robert-digit/superset,apache/incubator-superset,mistercrunch/panoramix,zhouyao1994/incubator-superset,massgov/incubator-superset,timifasubaa/incubator-superset,airbnb/caravel,jeromecn/caravel_viz_full,ArijanaBrlek/superset,robert-digit/superset,apache/incubator-superset,nekia/incubator-superset-dev,mistercrunch/panoramix,ArijanaBrlek/superset,nekia/incubator-superset-dev,FrederichCheng/incubator-superset,massgov/incubator-superset,zhouyao1994/incubator-superset,jeromecn/caravel_viz_full,SingTel-DataCo/incubator-superset,airbnb/caravel,airbnb/superset,SingTel-DataCo/incubator-superset,robert-digit/superset,dmigo/incubator-superset,mistercrunch/panoramix,alanmcruickshank/superset-dev,asdf2014/superset,BRD-CD/superset,nekia/incubator-superset-dev,airbnb/superset,timifasubaa/incubator-superset,apache/incubator-superset,airbnb/superset,jeromecn/caravel_viz_full,ArijanaBrlek/superset,dmigo/incubator-superset,massgov/incubator-superset,dmigo/incubator-superset,airbnb/superset,FrederichCheng/incubator-superset,dmigo/incubator-superset,zhouyao1994/incubator-superset,FrederichCheng/incubator-superset,asdf2014/superset,asdf2014/superset,jeromecn/caravel_viz_full,nekia/incubator-superset-dev