minor, auto tune debug mode when use flask_env (#6550)
minor, auto tune debug mode when use flask_env (#6550)

* minor, auto tune debug mode when use flask_env

* update changes

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