diff --git a/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart-composition/src/tooltip/TooltipTable.tsx b/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart-composition/src/tooltip/TooltipTable.tsx
index f8ce9a27180d..8fd9757a6143 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart-composition/src/tooltip/TooltipTable.tsx
+++ b/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart-composition/src/tooltip/TooltipTable.tsx
@@ -29,7 +29,7 @@ export default class TooltipTable extends PureComponent<Props, {}> {
     return (
       <table className={className}>
         <tbody>
-          {data.map(({ key, keyColumn, keyStyle, valueColumn, valueStyle }, i) => (
+          {data.map(({ key, keyColumn, keyStyle, valueColumn, valueStyle }) => (
             <tr key={key}>
               <td style={keyStyle}>{keyColumn || key}</td>
               <td style={valueStyle ? { ...VALUE_CELL_STYLE, ...valueStyle } : VALUE_CELL_STYLE}>
diff --git a/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Column.ts b/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Column.ts
index 381929fe3d0d..fad8979727e9 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Column.ts
+++ b/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Column.ts
@@ -1,4 +1,5 @@
 /* eslint-disable no-unused-vars */
+/* eslint-disable import/prefer-default-export */
 
 export enum ColumnType {
   DOUBLE = 'DOUBLE',
diff --git a/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Datasource.ts b/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Datasource.ts
index 03f23a29e4f5..9455cb63cf3c 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Datasource.ts
+++ b/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Datasource.ts
@@ -1,3 +1,5 @@
+/* eslint-disable import/prefer-default-export */
+
 import { Column } from './Column';
 import { QueryObjectMetric } from './Query';
 
diff --git a/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Metric.ts b/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Metric.ts
index a7155c97a532..682801655fb0 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Metric.ts
+++ b/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/src/types/Metric.ts
@@ -1,4 +1,5 @@
 /* eslint-disable no-unused-vars */
+/* eslint-disable import/prefer-default-export */
 
 import { Column } from './Column';
 
diff --git a/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/test/clients/ChartClient.test.ts b/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/test/clients/ChartClient.test.ts
index fecb1dc63959..56c223f6d465 100644
--- a/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/test/clients/ChartClient.test.ts
+++ b/superset-frontend/temporary_superset_ui/superset-ui/packages/superset-ui-chart/test/clients/ChartClient.test.ts
@@ -170,7 +170,8 @@ describe('ChartClient', () => {
         field1: 'abc',
         field2: 'def',
       });
-      expect(chartClient.loadDatasource('1__table')).resolves.toEqual({
+
+      return expect(chartClient.loadDatasource('1__table')).resolves.toEqual({
         field1: 'abc',
         field2: 'def',
       });