Add `impyla` to recommended packages for Impala (#649)
Add `impyla` to recommended packages for Impala (#649)


woel0007/caravel,francisliyy/caravel-aidp,georgeke/caravel,ArijanaBrlek/superset,jeromecn/caravel_viz_full,timifasubaa/incubator-superset,dmigo/incubator-superset,airbnb/caravel,asdf2014/superset,giaosudau/caravel,mistercrunch/panoramix,timifasubaa/incubator-superset,FrederichCheng/incubator-superset,alanmcruickshank/superset-dev,alanmcruickshank/superset-dev,airbnb/caravel,dmigo/incubator-superset,jeromecn/caravel_viz_full,jeromecn/caravel_viz_full,ArijanaBrlek/superset,SingTel-DataCo/incubator-superset,timifasubaa/incubator-superset,apache/incubator-superset,BRD-CD/superset,airbnb/superset,francisliyy/caravel-aidp,alanmcruickshank/superset-dev,robert-digit/superset,BRD-CD/superset,massgov/incubator-superset,dmigo/incubator-superset,mistercrunch/panoramix,BRD-CD/superset,georgeke/caravel,nekia/incubator-superset-dev,georgeke/caravel,airbnb/caravel,tienhv/caravel,asdf2014/superset,wbsljh/caravel,airbnb/superset,woel0007/caravel,francisliyy/caravel-aidp,mistercrunch/panoramix,robert-digit/superset,zhouyao1994/incubator-superset,asdf2014/superset,apache/incubator-superset,nekia/incubator-superset-dev,dmigo/incubator-superset,jeromecn/caravel_viz_full,timifasubaa/incubator-superset,francisliyy/caravel-aidp,wbsljh/caravel-aidp,ArijanaBrlek/superset,SingTel-DataCo/incubator-superset,tienhv/caravel,tienhv/caravel,airbnb/caravel,woel0007/caravel,zhouyao1994/incubator-superset,asdf2014/superset,giaosudau/caravel,mistercrunch/panoramix,giaosudau/caravel,SingTel-DataCo/incubator-superset,FrederichCheng/incubator-superset,zhouyao1994/incubator-superset,apache/incubator-superset,wbsljh/caravel,alanmcruickshank/superset-dev,zhouyao1994/incubator-superset,wbsljh/caravel-aidp,apache/incubator-superset,robert-digit/superset,FrederichCheng/incubator-superset,wbsljh/caravel,massgov/incubator-superset,nekia/incubator-superset-dev,SingTel-DataCo/incubator-superset,robert-digit/superset,airbnb/superset,woel0007/caravel,wbsljh/caravel-aidp,massgov/incubator-superset,georgeke/caravel,zhouyao1994/incubator-superset,wbsljh/caravel,ArijanaBrlek/superset,apache/incubator-superset,giaosudau/caravel,BRD-CD/superset,massgov/incubator-superset,FrederichCheng/incubator-superset,tienhv/caravel,wbsljh/caravel-aidp,nekia/incubator-superset-dev,airbnb/superset