diff --git a/crawlab/app.py b/crawlab/app.py
index 01b6a8ca..d90bc2d0 100644
--- a/crawlab/app.py
+++ b/crawlab/app.py
@@ -73,7 +73,6 @@ api.add_resource(ScheduleApi,
 def monitor_nodes_status(celery_app):
     def update_nodes_status(event):
         node_id = event.get('hostname')
-
         db_manager.update_one('nodes', id=node_id, values={
             'status': NodeStatus.ONLINE
         })