This bug also applies to 6.1
http://bazaar.launchpad.net/~openerp/openobject-server/6.1/view/head:/openerp/osv/orm.py#L1113
This bug also applies to 6.1
http:// bazaar. launchpad. net/~openerp/ openobject- server/ 6.1/view/ head:/openerp/ osv/orm. py#L1113