diff -r b15153f45957 -r 5dd1aa8bedd9 src/pyams_content/shared/common/zmi/__init__.py
--- a/src/pyams_content/shared/common/zmi/__init__.py	Wed Apr 11 16:44:46 2018 +0200
+++ b/src/pyams_content/shared/common/zmi/__init__.py	Wed Apr 11 16:46:31 2018 +0200
@@ -117,8 +117,10 @@
     """Shared event add form, JSON renderer"""
 
     def get_ajax_output(self, changes):
-        return {'status': 'redirect',
-                'location': self.nextURL()}
+        return {
+            'status': 'redirect',
+            'location': self.nextURL()
+        }
 
 
 @viewlet_config(name='wf-create-message', context=Interface, layer=IPyAMSLayer, view=SharedContentAddForm,
@@ -352,8 +354,10 @@
     """Shared content duplicate form, JSON renderer"""
 
     def get_ajax_output(self, changes):
-        return {'status': 'redirect',
-                'location': absolute_url(changes, self.request, 'admin')}
+        return {
+            'status': 'redirect',
+            'location': absolute_url(changes, self.request, 'admin')
+        }
 
 
 @viewlet_config(name='wf-duplicate-message', context=IWfSharedContent, layer=IPyAMSLayer,