diff --git a/sale_usability/product_view.xml b/sale_usability/product_view.xml
index 4c5a122..c6982ac 100644
--- a/sale_usability/product_view.xml
+++ b/sale_usability/product_view.xml
@@ -24,4 +24,15 @@ because the parent menu entry is in the sale module -->
   sequence="50"/>
 
 
+<record id="product_pricelist_view" model="ir.ui.view">
+    <field name="model">product.pricelist</field>
+    <field name="inherit_id" ref="product.product_pricelist_view"/>
+    <field name="arch" type="xml">
+        <xpath expr="//div[@groups='product.group_pricelist_item']" position="attributes">
+            <div name="groups">product.group_pricelist_item,base_usability.group_nobody</div>
+        </xpath>
+    </field>
+</record>
+
+
 </odoo>
diff --git a/sale_usability/sale.py b/sale_usability/sale.py
index 5d22715..f94f8f2 100644
--- a/sale_usability/sale.py
+++ b/sale_usability/sale.py
@@ -4,7 +4,6 @@
 
 from odoo import models, fields, api
 from odoo.tools import float_is_zero
-from collections import OrderedDict
 
 
 class SaleOrder(models.Model):