from odoo import models class BalanceSheetCustomHandler(models.AbstractModel): _name = 'account.balance.sheet.report.handler' _inherit = 'account.report.custom.handler' _description = "Balance Sheet Custom Handler" def _customize_warnings(self, report, options, all_column_groups_expression_totals, warnings): if options['currency_table']['type'] == 'cta': warnings['at_accounting.common_possibly_unbalanced_because_cta'] = {}