diff --git a/plone/app/discussion/upgrades.py b/plone/app/discussion/upgrades.py
index 56a4e5f..7db3ebf 100644
--- a/plone/app/discussion/upgrades.py
+++ b/plone/app/discussion/upgrades.py
@@ -64,4 +64,4 @@ def upgrade_comment_workflows(context):
 
 
 def update_catalog(context):
-    context.runImportStepFromProfile(default_profile, 'catalog')
\ No newline at end of file
+    context.runImportStepFromProfile(default_profile, 'catalog')