remove followers from Department

odex25_hr/hr_base/models/hr_department.py

@@ -49,6 +49,10 @@ class HrDepartment(models.Model):
         will be changed for all employees has with this department"""
         for rec in self:
            super(HrDepartment, rec).write(vals)
+           ## to remove followers ##
+           followers = self.env['mail.followers'].search([('res_id', '=', rec.id),('res_model','=','hr.department')])
+           followers.sudo().unlink()
+           ### end #################
            if ('manager_id' or 'parent_id' in vals):
              employees = rec.env['hr.employee'].search([('department_id', '=', rec.id)])
              for emp in employees: