fix lint

Author: kchengsf

lib/client/signalflow/request_manager.js

@@ -214,8 +214,8 @@ function RequestManager(endPoint) {
     cb = cb || {};
     var router = routedMessageHandler(params, cb.onMessage, cb.onError, isRetryPatchMode);
     var range = params.range;
-    if(!range) {
-      range = (params.end?params.end:Date.now()) - params.start;
+    if (!range) {
+      range = (params.end ? params.end : Date.now()) - params.start;
     }
     knownComputations[requestId] = {
       params: params,