diff --git a/senlinclient/v1/shell.py b/senlinclient/v1/shell.py
index 5a10f216..772883ce 100644
--- a/senlinclient/v1/shell.py
+++ b/senlinclient/v1/shell.py
@@ -727,6 +727,7 @@ def do_action_list(sc, args):
     '''List actions.'''
     def _short_id(obj):
         return obj.id[:8] + ' ...'
+
     def _short_target(obj):
         return obj.target[:8] + ' ...'