vertical-cooperative/easy_my_coop/models/res_partner_bank.py

# -*- coding: utf-8 -*-
# Copyright 2019 Coop IT Easy SCRL fs
#   Houssine Bakkali <houssine@coopiteasy.be>
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).


from odoo import models


class ResPartnerBank(models.Model):
    _inherit = 'res.partner.bank'

    _sql_constraints = [
        ('unique_number', 'Check(1=1)', 'Account Number must be unique!'),
    ]