ajustes stock descuenta

models/sale_order.py

@@ -24,6 +24,17 @@ class SaleOrder(models.Model):
                     'is_delivery':self.is_delivery,
                     'delivery_type':self.delivery_type,
                 })
+                self.update_state()
+                inv.signal_workflow('invoice_open')
+            for picking in sale.picking_ids:
+                picking.force_assign()
+                picking.action_done()
+
+    @api.multi
+    def update_state(self):
+        for order in self:
+            order.write({'state': 'done'})
+        return True
 
 class AccountInvoice(models.Model):
     _inherit = 'account.invoice'