diff --git a/sale_configurator_base/models/account_move_line.py b/sale_configurator_base/models/account_move_line.py
index 47b40019..f066c599 100644
--- a/sale_configurator_base/models/account_move_line.py
+++ b/sale_configurator_base/models/account_move_line.py
@@ -25,7 +25,9 @@ def _rebuild_parent_configuration_from_sale(self):
             for line in lines:
                 sale_line_parent = line.sale_line_ids.parent_id
                 if sale_line_parent:
-                    line.parent_id = mapping_sale_line_to_invoice_line[sale_line_parent.id]
+                    line.parent_id = mapping_sale_line_to_invoice_line[
+                        sale_line_parent.id
+                    ]
 
 
 class AccountMoveLine(models.Model):
diff --git a/sale_configurator_option/demo/product_demo.xml b/sale_configurator_option/demo/product_demo.xml
index a63f565e..25f9f3d1 100644
--- a/sale_configurator_option/demo/product_demo.xml
+++ b/sale_configurator_option/demo/product_demo.xml
@@ -5,24 +5,28 @@
         <field name="code">PWO</field>
         <field name="is_configurable_opt">True</field>
         <field name="lst_price">0</field>
+        <field name="invoice_policy">order</field>
     </record>
     <record id="product_option_1" model="product.product">
         <field name="name">Option 1</field>
         <field name="code">OPT1</field>
         <field name="lst_price">10</field>
         <field name="is_option">True</field>
+        <field name="invoice_policy">order</field>
     </record>
     <record id="product_option_2" model="product.product">
         <field name="name">Option 2</field>
         <field name="code">OPT2</field>
         <field name="lst_price">20</field>
         <field name="is_option">True</field>
+        <field name="invoice_policy">order</field>
     </record>
     <record id="product_option_3" model="product.product">
         <field name="name">Option 3</field>
         <field name="code">OPT3</field>
         <field name="lst_price">30</field>
         <field name="is_option">True</field>
+        <field name="invoice_policy">order</field>
     </record>
     <record id="product_configurator_option_1" model="product.configurator.option">
         <field name="product_tmpl_id" ref="product_with_option_product_template" />