Compatibility with changes in converter 18.0.4.0.0

Changes in converter!59 (merged)

models/redner_substitution.py

 ##############################################################################
 #
 #    Redner Odoo module
-#    Copyright © 2016 XCG Consulting <https://xcg-consulting.fr>
+#    Copyright © 2016, 2025 XCG Consulting <https://xcg-consulting.fr>
 #
 #    This program is free software: you can redistribute it and/or modify
 #    it under the terms of the GNU Affero General Public License as
@@ -19,7 +19,7 @@
 ##############################################################################
 
 from odoo import _, api, fields, models  # type: ignore[import-untyped]
-from odoo.addons import converter  # type: ignore[import-untyped]
+from odoo.addons import converter
 from odoo.exceptions import ValidationError  # type: ignore[import-untyped]
 
 from ..converter import ImageDataURL, ImageFile
@@ -186,4 +186,4 @@
                 raise ValidationError(_("invalid converter type: %s") % sub.converter)
             d[sub.keyword.rsplit(".", 2)[-1]] = conv
 
-        return converter.Model("", d)
+        return converter.Model(d)