diff --git a/django_code/apps/cloudmanager/utils.py b/django_code/apps/cloudmanager/utils.py
index a9d85c4..b1bdaaa 100644
--- a/django_code/apps/cloudmanager/utils.py
+++ b/django_code/apps/cloudmanager/utils.py
@@ -97,7 +97,7 @@ def Check_server_supposed_XXX(expected_status,verbose=False):
 
 
 def retrieve_and_apply(verbose=False):
-        
+    output = ""
     output =+ Give_current_hour()
     output += "\n"