def _prepare_multilingual_object(self, obj, form):
        opts = obj._meta
        for realname, fieldname in self.ml_fields.items():
            field = opts.get_field_by_name(realname)[0]
            m = re.match(MULTILINGUAL_INLINE_PREFIX % r'^%s(?P<field_name>.*)$', fieldname)
            if m:
                field.save_form_data(self.instance, form.cleaned_data[fieldname])
                setattr(obj, realname, getattr(self.instance, realname.rsplit('_', 1)[0]))
dataset/ETHPy150Open hzlf/openbroadcast/website/multilingual/admin.py/MultilingualInlineFormSet._prepare_multilingual_object/swapped operands of `%`