Pin boto3 to 1.4.7 (#5290)
Pin boto3 to 1.4.7 (#5290)


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