account-financial-reporting/account_bank_reconciliation_summary_xlsx/models/account_move_line.py

# -*- coding: utf-8 -*-
# © 2017 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).

from odoo import fields, models


class AccountMoveLine(models.Model):
    _inherit = 'account.move.line'

    statement_line_date = fields.Date(
        string='Statement Line Date',
        related='move_id.statement_line_id.date', store=True, readonly=True)