from odoo import models class AccountDocumentImportMixin(models.AbstractModel): _inherit = 'account.document.import.mixin' def _fix_attachments_on_record_from_files_data(self, valid_files_data, extra_files_data): super()._fix_attachments_on_record_from_files_data(valid_files_data, extra_files_data) valid_attachments = self._from_files_data(valid_files_data) for attachment in valid_attachments: if not attachment.document_ids: self._update_or_create_document(attachment.id) def _update_or_create_document(self, attachment_id): return