Update app.js

@@ -85,10 +85,9 @@ async function handleEvent(event) {
       client.getMessageContent(event.message.id)
   .then((stream) => {
     stream.on('data', (chunk) => {
+      console.log(chunk);
       client.replyMessage(event.replyToken,chunk).then(resolve).catch(reject);    
 
-    });
-      
       var cheerio = require('cheerio');
       
       var uriBase = 'https://koreacentral.api.cognitive.microsoft.com/vision/v2.1/ocr';