diff --git a/src/lenses/RougeScoreLens.tsx b/src/lenses/RougeScoreLens.tsx
index cdeafb38..5932bcf4 100644
--- a/src/lenses/RougeScoreLens.tsx
+++ b/src/lenses/RougeScoreLens.tsx
@@ -1,37 +1,42 @@
-import { Lens } from "../types";
+import { Lens } from '../types';
 import 'twin.macro';
 import rouge from 'rouge';
-import { formatNumber } from "../dataformat";
+import { formatNumber } from '../dataformat';
 
-const calculateRougeScore=(values: unknown[])=>{
-    return rouge.n(values[0], values[1])
-}
+const calculateRougeScore = (values: unknown[]) => {
+    return rouge.n(values[0], values[1]);
+};
 
-const RougeScoreLens: Lens = ({values})=>{
-    const result = calculateRougeScore(values)
-    return (<div tw="text-sm truncate px-1 py-0.5 flex items-center h-full">Rouge score: {formatNumber(result)}</div>)
-}
+const RougeScoreLens: Lens = ({ values }) => {
+    const result = calculateRougeScore(values);
+    return (
+        <div tw="text-sm truncate px-1 py-0.5 flex items-center h-full">
+            Rouge score: {formatNumber(result)}
+        </div>
+    );
+};
 
-RougeScoreLens.key="RougeScoreView"
-RougeScoreLens.dataTypes=["str"]
-RougeScoreLens.defaultHeight = 22
-RougeScoreLens.minHeight=22
-RougeScoreLens.maxHeight=64
-RougeScoreLens.multi=true
-RougeScoreLens.displayName="ROUGE Score"
-RougeScoreLens.filterAllowedColumns=(allColumns, selectedColumns) => {
-    if(selectedColumns.length===2)
-        return []
-    else return allColumns.filter(({type, key}) => {
-        const isNotSelected = (key)=>{
-            return selectedColumns.filter((selectedCol)=>{selectedCol.key!==key})
-        }
-        return type.kind === 'str' && isNotSelected(key);
-    })
+RougeScoreLens.key = 'RougeScoreView';
+RougeScoreLens.dataTypes = ['str'];
+RougeScoreLens.defaultHeight = 22;
+RougeScoreLens.minHeight = 22;
+RougeScoreLens.maxHeight = 64;
+RougeScoreLens.multi = true;
+RougeScoreLens.displayName = 'ROUGE Score';
+RougeScoreLens.filterAllowedColumns = (allColumns, selectedColumns) => {
+    if (selectedColumns.length === 2) return [];
+    else
+        return allColumns.filter(({ type, key }) => {
+            const isNotSelected = (key: string) => {
+                return selectedColumns.filter((selectedCol) => {
+                    selectedCol.key !== key;
+                });
+            };
+            return type.kind === 'str' && isNotSelected(key);
+        });
 };
-RougeScoreLens.isSatisfied = (columns)=>{
-    if(columns.length===2)
-        return true;
+RougeScoreLens.isSatisfied = (columns) => {
+    if (columns.length === 2) return true;
     return false;
-}
-export default RougeScoreLens
+};
+export default RougeScoreLens;
diff --git a/src/rouge.d.ts b/src/rouge.d.ts
deleted file mode 100644
index 670ae045..00000000
--- a/src/rouge.d.ts
+++ /dev/null
@@ -1 +0,0 @@
-declare module "rouge"
diff --git a/src/rougeScore.d.ts b/src/rougeScore.d.ts
new file mode 100644
index 00000000..a294f4d3
--- /dev/null
+++ b/src/rougeScore.d.ts
@@ -0,0 +1 @@
+declare module 'rouge';