updates load_examples to load-examples (#13897)
updates load_examples to load-examples (#13897)


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