Silence error on migration 4736ec66ce19 constraint drop (#5729)
Silence error on migration 4736ec66ce19 constraint drop (#5729)

* Silence error on migration 4736ec66ce19 constraint drop

* typo + lint

airbnb/caravel,mistercrunch/panoramix,mistercrunch/panoramix,mistercrunch/panoramix,airbnb/superset,zhouyao1994/incubator-superset,mistercrunch/panoramix,airbnb/caravel,airbnb/caravel,airbnb/superset,apache/incubator-superset,airbnb/superset,airbnb/caravel,apache/incubator-superset,airbnb/superset,apache/incubator-superset,zhouyao1994/incubator-superset,apache/incubator-superset,zhouyao1994/incubator-superset,zhouyao1994/incubator-superset,zhouyao1994/incubator-superset,apache/incubator-superset