This is web side bug.Fixed in https://code.launchpad.net/~openerp-dev/openerp-web/trunk-bug-1121934-vme/+merge/152904.
This is web side bug.Fixed in https:/ /code.launchpad .net/~openerp- dev/openerp- web/trunk- bug-1121934- vme/+merge/ 152904.