from odoo import models, fields class CustomBank(models.Model): _name = "res.bank" _inherit = ["res.bank", "mail.thread", "mail.activity.mixin"] name = fields.Char(required=True, tracking=True) street = fields.Char(tracking=True) street2 = fields.Char(tracking=True) zip = fields.Char(tracking=True) city = fields.Char(tracking=True) state = fields.Many2one('res.country.state', 'Fed. State', domain="[('country_id', '=?', country)]", tracking=True) country = fields.Many2one('res.country', tracking=True) email = fields.Char(tracking=True) phone = fields.Char(tracking=True) active = fields.Boolean(default=True, tracking=True) bic = fields.Char('Bank Identifier Code', index=True, help="Sometimes called BIC or Swift.", tracking=True)