Ok I though empty string were store as Null as zero value for integer. Just check and it seems I'm wrong. I'll add a check instead of forcing to empty string.
Thanks for the review -- https://code.launchpad.net/~camptocamp/ocb-addons/7.0-fix-1335887/+merge/225028 Your team OpenERP Community Backports is subscribed to branch lp:ocb-addons. -- Mailing list: https://launchpad.net/~openerp-community-reviewer Post to : openerp-community-reviewer@lists.launchpad.net Unsubscribe : https://launchpad.net/~openerp-community-reviewer More help : https://help.launchpad.net/ListHelp