Update app.js

@@ -81,10 +81,12 @@ function handleEvent(event) {
   }
   else if (event.type == 'message'&& event.message.type == 'image') {
     return new Promise((resolve,reject)=>{
+
       var cheerio = require('cheerio');
       
       let subscriptionKey = process.env['COMPUTER_VISION_SUBSCRIPTION_KEY'];
       let endpoint = process.env['COMPUTER_VISION_ENDPOINT'];
+      console.log(endpoint);
       var uriBase = endpoint + 'vision/v2.1/ocr';
       var options = {
         uri: uriBase,