correct definition of field purchase_price for decimal precision
correct definition of field purchase_price for decimal precision

odoousers2014/LibrERP,iw3hxn/LibrERP,odoousers2014/LibrERP,dhp-denero/LibrERP,dhp-denero/LibrERP,iw3hxn/LibrERP,iw3hxn/LibrERP,dhp-denero/LibrERP,odoousers2014/LibrERP,iw3hxn/LibrERP,odoousers2014/LibrERP,odoousers2014/LibrERP,iw3hxn/LibrERP,dhp-denero/LibrERP,dhp-denero/LibrERP