Update app.py

app.py

@@ -70,7 +70,7 @@ def inference(image):
       print(im["label"], im["timestamp"])
 
     result_image = get_image(top4[0])
-    result = result_image['label'] + result_image['timestamp']
+    result = result_image['label'] + str(result_image['timestamp'])
     
     return result