[dt_product_serial/stock.py] fix for the moment.. need review
[dt_product_serial/stock.py] fix for the moment.. need review

odoousers2014/LibrERP,iw3hxn/LibrERP,odoousers2014/LibrERP,iw3hxn/LibrERP,iw3hxn/LibrERP,odoousers2014/LibrERP,iw3hxn/LibrERP,iw3hxn/LibrERP,odoousers2014/LibrERP,odoousers2014/LibrERP