eval_loss not found when training a peft model using trainer.py about transformers HOT 2 CLOSED

    # Modified for peft related changes that were missing in the original version
    if _is_peft_model(self.model):
        if hasattr(self.model, "get_base_model"):
            model_to_inspect = self.model.get_base_model()
            default_label_names = find_labels(model_to_inspect.__class__)
            self.can_return_loss = can_return_loss(model_to_inspect.__class__)
    else:
        default_label_names = find_labels(self.model.__class__)
        self.can_return_loss = can_return_loss(self.model.__class__)

    self.label_names = default_label_names if self.args.label_names is None else self.args.label_names
    self.control = self.callback_handler.on_init_end(self.args, self.state, self.control)
    # End of modification