Migration to version 10.0

partner_firstname/models/partner.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
-from openerp import models, fields, api, _
-from openerp.exceptions import ValidationError
+from odoo import models, fields, api, _
+from odoo.exceptions import ValidationError
 
 def concat_names(*args):
     """