from odoo import models, fields class AccountAnalyticLine(models.Model): _inherit = 'account.analytic.line' l10n_din5008_template_data = fields.Binary(compute='_compute_l10n_din5008_template_data') l10n_din5008_document_title = fields.Char(compute='_compute_l10n_din5008_document_title') def _compute_l10n_din5008_template_data(self): for record in self: record.l10n_din5008_template_data = [] def _compute_l10n_din5008_document_title(self): for record in self: record.l10n_din5008_document_title = ''