corrected misspelling in percent_metrics (#17856)
corrected misspelling in percent_metrics (#17856)


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