Update server/routes/trace_analytics_dsl_router.ts

Co-authored-by: Joshua Li <[email protected]>
Signed-off-by: Sumukh Swamy <[email protected]>

Author: sumukhswamy

server/routes/trace_analytics_dsl_router.ts

@@ -35,10 +35,9 @@ export function registerTraceAnalyticsDslRouter(router: IRouter, dataSourceEnabl
       };
       const {dataSourceMDSId}  = request.query;
       try {
-        let client;
         let resp;
         if (dataSourceEnabled && dataSourceMDSId) {
-          client = context.dataSource.opensearch.legacy.getClient(dataSourceMDSId);
+          const client = context.dataSource.opensearch.legacy.getClient(dataSourceMDSId);
           resp = await client.callAPI('indices.exists', params);
         } else {
           resp = await context.core.opensearch.legacy.client.callAsCurrentUser('indices.exists',params)