Late import for optional lib pyhive (#7471)
Late import for optional lib pyhive (#7471)

* Late import for optional lib pyhive

* fix

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