Import atoi from string.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@2008 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/ZopePatch.py

@@ -1627,6 +1627,7 @@ Expression.__hash__ = Expression_hash
 # dtml-sqlvar patch to convert None to NULL
 
 from Shared.DC.ZRDB.sqlvar import SQLVar
+from string import atoi
 
 def SQLVar_render(self, md):
     name=self.__name__