account-financial-reporting/account_bank_reconciliation_summary_xlsx/report/report.xml

<?xml version="1.0" encoding="utf-8" ?>
<!--
  Copyright 2017-2020 Akretion France (http://www.akretion.com/)
  @author: Alexis de Lattre <alexis.delattre@akretion.com>
  License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-->
<odoo>
    <report
        id="bank_reconciliation_xlsx"
        model="bank.reconciliation.report.wizard"
        string="Bank Reconciliation XLSX"
        report_type="xlsx"
        name="bank.reconciliation.xlsx"
        file="bank.reconciliation.xlsx"
        print_report_name="'bank_reconciliation-%s' % (object.date)"
    />
    <!-- print_report_name doesn't work here... -->
</odoo>