ERP5Type: fix transaction.note "expected text" warning with transaction 2

product/ERP5Type/dynamic/portal_type_class.py

@@ -504,7 +504,7 @@ def synchronizeDynamicModules(context, force=False):
           portal.portal_skins.changeSkin(None)
           TransactionalResource(tpc_finish=lambda txn:
               _bootstrapped.add(portal.id))
-          transaction.get().note('Site migrated')
+          transaction.get().note(u'Site migrated')
           LOG('ERP5Site', INFO, 'Transition successful, please update your'
               ' business templates')
         else: