Another type mistake: this returns a dict, so use .copy().

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@24936 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ZSQLCatalog/SQLCatalog.py

@@ -1708,7 +1708,7 @@ class Catalog(Folder,
           %(table_index, table))
       return table_index
     return CachingMethod(_getTableIndex, id='SQLCatalog.getTableIndex', \
-                         cache_factory='erp5_content_long')(table=table)[:]
+                         cache_factory='erp5_content_long')(table=table).copy()
 
 
   def getIndex(self, table, column_list, all_column_list):