diff --git a/product_contract_variable_quantity/models/sale_order_line.py b/product_contract_variable_quantity/models/sale_order_line.py
index d66b9874..3cb055ac 100644
--- a/product_contract_variable_quantity/models/sale_order_line.py
+++ b/product_contract_variable_quantity/models/sale_order_line.py
@@ -3,8 +3,7 @@
 # Copyright 2017 ACSONE SA/NV.
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
-from odoo import api, fields, models, _
-from odoo.exceptions import ValidationError
+from odoo import api, fields, models
 
 
 class SaleOrderLine(models.Model):
diff --git a/product_contract_variable_quantity/readme/DESCRIPTION.rst b/product_contract_variable_quantity/readme/DESCRIPTION.rst
index 6e1777db..3e5d5e3c 100644
--- a/product_contract_variable_quantity/readme/DESCRIPTION.rst
+++ b/product_contract_variable_quantity/readme/DESCRIPTION.rst
@@ -1 +1 @@
-This module enable add default values to contract products for variable quantity formula.
\ No newline at end of file
+This module add default values to contract products for variable quantity formula.
\ No newline at end of file
diff --git a/product_contract_variable_quantity/tests/test_sale_order.py b/product_contract_variable_quantity/tests/test_sale_order.py
index 6b6a64b5..17485cc9 100644
--- a/product_contract_variable_quantity/tests/test_sale_order.py
+++ b/product_contract_variable_quantity/tests/test_sale_order.py
@@ -3,7 +3,6 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
 from odoo.tests.common import TransactionCase
-from odoo.exceptions import ValidationError
 
 
 class TestSaleOrder(TransactionCase):