minor fix

sale.py

@@ -183,12 +183,14 @@ class Sale(metaclass=PoolMeta):
             user_id = context.get('user')
             user = User(user_id)
             shop = user.shop
+        context['price_list'] = shop.price_list
         for v in args['lines']:
             if v.get('id'):
                 del v['id']
             v['type'] = 'line'
             product = Product(v['product'])
-            unit_price = product.template.list_price
+            with Transaction().set_context(context):
+                unit_price = product.list_price
             unit_price = unit_price.quantize(Decimal(str(10.0 ** -4)))
             v['unit_price'] = unit_price
             v['base_price'] = unit_price