diff --git a/tensorboard/webapp/routes/BUILD b/tensorboard/webapp/routes/BUILD
index 63912b20964..73f87dc72e1 100644
--- a/tensorboard/webapp/routes/BUILD
+++ b/tensorboard/webapp/routes/BUILD
@@ -94,12 +94,12 @@ tf_ts_library(
         ":dashboard_deeplink_provider",
         ":feature_flag_serializer",
         ":testing",
-        "//tensorboard/webapp/app_routing:location",
         "//tensorboard/webapp:app_state",
         "//tensorboard/webapp:selectors",
         "//tensorboard/webapp/angular:expect_angular_core_testing",
         "//tensorboard/webapp/angular:expect_ngrx_store_testing",
         "//tensorboard/webapp/app_routing:deep_link_provider",
+        "//tensorboard/webapp/app_routing:location",
         "//tensorboard/webapp/app_routing:types",
         "//tensorboard/webapp/metrics:test_lib",
         "//tensorboard/webapp/metrics:types",
diff --git a/tensorboard/webapp/routes/feature_flag_serializer.ts b/tensorboard/webapp/routes/feature_flag_serializer.ts
index 1366bbc99ac..b88a7282419 100644
--- a/tensorboard/webapp/routes/feature_flag_serializer.ts
+++ b/tensorboard/webapp/routes/feature_flag_serializer.ts
@@ -21,37 +21,43 @@ import {SerializableQueryParams} from '../app_routing/types';
 import {State} from '../app_state';
 import * as selectors from '../selectors';
 import {EXPERIMENTAL_PLUGIN_QUERY_PARAM_KEY} from '../webapp_data_source/tb_feature_flag_data_source_types';
-import {FeatureFlagMetadata, FeatureFlagQueryParameters,} from '../webapp_data_source/tb_feature_flag_query_parameters';
-
-export function getFeatureFlagStates(store: Store<State>):
-    Observable<SerializableQueryParams> {
-  return store.select(selectors.getEnabledExperimentalPlugins)
-      .pipe(map((experimentalPlugins) => {
-        const queryParams = experimentalPlugins.map((pluginId) => {
-          return {key: EXPERIMENTAL_PLUGIN_QUERY_PARAM_KEY, value: pluginId};
-        });
-
-        const currentQueryParams = Object.fromEntries(
-            serializableQueryParamsToEntries(new Location().getSearch() || []));
-
-        Object.values(FeatureFlagQueryParameters)
-            .forEach((overriddenFeatureFlag: FeatureFlagMetadata) => {
-              const queryParamOverride =
-                  overriddenFeatureFlag.queryParamOverride;
-              if (queryParamOverride &&
-                  queryParamOverride in currentQueryParams) {
-                queryParams.push({
-                  key: queryParamOverride,
-                  value: currentQueryParams[queryParamOverride],
-                });
-              }
+import {
+  FeatureFlagMetadata,
+  FeatureFlagQueryParameters,
+} from '../webapp_data_source/tb_feature_flag_query_parameters';
+
+export function getFeatureFlagStates(
+  store: Store<State>
+): Observable<SerializableQueryParams> {
+  return store.select(selectors.getEnabledExperimentalPlugins).pipe(
+    map((experimentalPlugins) => {
+      const queryParams = experimentalPlugins.map((pluginId) => {
+        return {key: EXPERIMENTAL_PLUGIN_QUERY_PARAM_KEY, value: pluginId};
+      });
+
+      const currentQueryParams = Object.fromEntries(
+        serializableQueryParamsToEntries(new Location().getSearch() || [])
+      );
+
+      Object.values(FeatureFlagQueryParameters).forEach(
+        (overriddenFeatureFlag: FeatureFlagMetadata) => {
+          const queryParamOverride = overriddenFeatureFlag.queryParamOverride;
+          if (queryParamOverride && queryParamOverride in currentQueryParams) {
+            queryParams.push({
+              key: queryParamOverride,
+              value: currentQueryParams[queryParamOverride],
             });
+          }
+        }
+      );
 
-        return queryParams;
+      return queryParams;
 
-        function serializableQueryParamsToEntries(
-            params: SerializableQueryParams): [string, string][] {
-          return params.map(({key, value}) => [key, value]);
-        }
-      }));
+      function serializableQueryParamsToEntries(
+        params: SerializableQueryParams
+      ): [string, string][] {
+        return params.map(({key, value}) => [key, value]);
+      }
+    })
+  );
 }
diff --git a/tensorboard/webapp/routes/feature_flag_serializer_test.ts b/tensorboard/webapp/routes/feature_flag_serializer_test.ts
index 80cbb409080..20c2671d7c4 100644
--- a/tensorboard/webapp/routes/feature_flag_serializer_test.ts
+++ b/tensorboard/webapp/routes/feature_flag_serializer_test.ts
@@ -30,17 +30,15 @@ describe('feature flag serializer', () => {
   let getSearchSpy: jasmine.Spy;
 
   beforeEach(async () => {
-    await TestBed
-        .configureTestingModule({
-          providers: [
-            provideMockStore({
-              initialState: {
-                ...appStateFromMetricsState(buildMetricsState()),
-              },
-            }),
-          ],
-        })
-        .compileComponents();
+    await TestBed.configureTestingModule({
+      providers: [
+        provideMockStore({
+          initialState: {
+            ...appStateFromMetricsState(buildMetricsState()),
+          },
+        }),
+      ],
+    }).compileComponents();
 
     store = TestBed.inject<Store<State>>(Store) as MockStore<State>;
     store.overrideSelector(selectors.getEnabledExperimentalPlugins, []);
@@ -73,13 +71,14 @@ describe('feature flag serializer', () => {
   });
 });
 
-function promiseGetFeatureFlagStates(store: Store<State>):
-    Promise<SerializableQueryParams> {
+function promiseGetFeatureFlagStates(
+  store: Store<State>
+): Promise<SerializableQueryParams> {
   return new Promise<SerializableQueryParams>((resolve) => {
     getFeatureFlagStates(store)
-        .subscribe((queryParams) => {
-          resolve(queryParams);
-        })
-        .unsubscribe();
+      .subscribe((queryParams) => {
+        resolve(queryParams);
+      })
+      .unsubscribe();
   });
 }