Validate elements to queue

ondemand/service.py

@@ -93,7 +93,8 @@ def feed_queue():
         # response = client.get_schedule_pending()
         # downloaded_counter = len(response['items'])
         # for item in response['items']:
-        queue.put(response)
+	if len(response["elementos"]) > 0:
+            queue.put(response)
 
         if queue.qsize() > 0:
             if queue_mode == QUEUE_THREAD: