Handle the case where no role is found.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@15441 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Catalog/CatalogTool.py

@@ -474,8 +474,11 @@ class CatalogTool (UniqueObject, ZCatalog, CMFCoreCatalogTool, ActiveObject):
         raise DeprecationWarning, "The usage of allowedRolesAndUsers is "\
                                   "deprecated. Please update your catalog "\
                                   "business template."
+      if allowedRolesAndUsers:
         allowedRolesAndUsers = ["'%s'" % (role, ) for role in allowedRolesAndUsers]
         security_uid_list = [x.uid for x in method(security_roles_list = allowedRolesAndUsers)]
+      else:
+        security_uid_list = []
       return security_uid_list, role_column_dict
 
     security.declarePublic( 'getSecurityQuery' )