Go to Product Variant >> Select any Product Variant >> Print Report Of Price List >> select any Price List and Click on print button it's gives traceback like: http://www.awesomescreenshot.com/image/1288867/b6639baf8cb94e3a90ce9d347b3f4f35 Introduced by https://github.com/odoo/odoo/commit/da3d2fb1dc76654e630fba27ca3dcf03002d9431