[FIX] point_of_sale: crash when submitting order
[FIX] point_of_sale: crash when submitting order

storm-computers/odoo,ygol/odoo,bplancher/odoo,dfang/odoo,alhashash/odoo,laslabs/odoo,alhashash/odoo,Grirrane/odoo,storm-computers/odoo,ygol/odoo,stephen144/odoo,dfang/odoo,Grirrane/odoo,hip-odoo/odoo,addition-it-solutions/project-all,syci/OCB,tvtsoft/odoo8,addition-it-solutions/project-all,alhashash/odoo,microcom/odoo,sysadminmatmoz/OCB,alhashash/odoo,syci/OCB,hip-odoo/odoo,stephen144/odoo,syci/OCB,optima-ict/odoo,sysadminmatmoz/OCB,ygol/odoo,addition-it-solutions/project-all,bplancher/odoo,addition-it-solutions/project-all,hip-odoo/odoo,microcom/odoo,hip-odoo/odoo,dfang/odoo,tvtsoft/odoo8,stephen144/odoo,Grirrane/odoo,laslabs/odoo,microcom/odoo,addition-it-solutions/project-all,alhashash/odoo,ygol/odoo,optima-ict/odoo,stephen144/odoo,dfang/odoo,mkieszek/odoo,optima-ict/odoo,Elico-Corp/odoo_OCB,laslabs/odoo,sysadminmatmoz/OCB,stephen144/odoo,Elico-Corp/odoo_OCB,dfang/odoo,bplancher/odoo,Grirrane/odoo,sysadminmatmoz/OCB,ygol/odoo,storm-computers/odoo,laslabs/odoo,Elico-Corp/odoo_OCB,storm-computers/odoo,hip-odoo/odoo,microcom/odoo,ygol/odoo,microcom/odoo,microcom/odoo,syci/OCB,optima-ict/odoo,bplancher/odoo,sysadminmatmoz/OCB,hip-odoo/odoo,tvtsoft/odoo8,mkieszek/odoo,stephen144/odoo,storm-computers/odoo,laslabs/odoo,bplancher/odoo,syci/OCB,addition-it-solutions/project-all,mkieszek/odoo,sysadminmatmoz/OCB,bplancher/odoo,storm-computers/odoo,Grirrane/odoo,mkieszek/odoo,Elico-Corp/odoo_OCB,alhashash/odoo,Elico-Corp/odoo_OCB,ygol/odoo,optima-ict/odoo,Elico-Corp/odoo_OCB,laslabs/odoo,tvtsoft/odoo8,tvtsoft/odoo8,mkieszek/odoo,sysadminmatmoz/OCB,mkieszek/odoo,Grirrane/odoo,tvtsoft/odoo8,dfang/odoo,optima-ict/odoo,syci/OCB