Update app.js

@@ -86,11 +86,6 @@ async function handleEvent(event) {
   .then((stream) => {
     stream.on('data', (chunk) => {
       console.log(chunk);
-    });
-    stream.on('error', (err) => {
-      // error handling
-    });
-  });
       var cheerio = require('cheerio');
       
       let subscriptionKey = process.env['COMPUTER_VISION_SUBSCRIPTION_KEY'];
@@ -108,7 +103,7 @@ async function handleEvent(event) {
           'Content-Type': 'application/octet-stream',
           'Ocp-Apim-Subscription-Key': subscriptionKey
         },
-        body: event.message.image
+        body: chunk
       };
       
       await request.post(options, function (error, response, body) {
@@ -148,6 +143,12 @@ async function handleEvent(event) {
             client.replyMessage(event.replyToken,result).then(resolve).catch(reject);
           });
       });
+    });
+    stream.on('error', (err) => {
+      // error handling
+    });
+  });
+     
     })
   }
   else if(event.type == 'message' && event.message.type == 'text')