!1539 !1538 添加功能

Merge pull request !1539 from 李鹏宇/dev

yuthon_hr_employee_approval/models/yuthon_retired_approval.py

@@ -5,6 +5,7 @@ from odoo.exceptions import UserError
 class YuthonRetiredApproval(models.Model):
     _name = 'yuthon.retired.approval'
     _description = '退休申请表'
+    _inherit = ['soong.workflow.mixin', 'mail.thread.main.attachment', 'mail.activity.mixin']
 
     name = fields.Char(string='标题')
     text = fields.Text(string='正文')