keras-team/keras · error · ValueError

Arguments not recognized: {kwargs}

Error message

Arguments not recognized: {kwargs}

What it means

Error "Arguments not recognized: {kwargs}" thrown in keras-team/keras.

Source

Thrown at keras/src/backend/openvino/trainer.py:303

        callbacks.on_predict_end()
        return tree.map_structure_up_to(batch_outputs, np.concatenate, outputs)

    @traceback_utils.filter_traceback
    def evaluate(
        self,
        x=None,
        y=None,
        batch_size=None,
        verbose="auto",
        sample_weight=None,
        steps=None,
        callbacks=None,
        return_dict=False,
        **kwargs,
    ):
        use_cached_eval_dataset = kwargs.pop("_use_cached_eval_dataset", False)
        if kwargs:
            raise ValueError(f"Arguments not recognized: {kwargs}")

        if use_cached_eval_dataset:
            epoch_iterator = self._eval_epoch_iterator
        else:
            epoch_iterator = EpochIterator(
                x=x,
                y=y,
                sample_weight=sample_weight,
                batch_size=batch_size,
                steps_per_epoch=steps,
                shuffle=False,
                steps_per_execution=self.steps_per_execution,
            )

        if not isinstance(callbacks, callbacks_module.CallbackList):
            callbacks = callbacks_module.CallbackList(
                callbacks,
                add_progbar=verbose != 0,

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/backend/openvino/trainer.py:303 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of keras-team/keras@7a34a03db6 (2026-08-25). Data as JSON: /api/errors/28f32ee225bcb3ad. Report an issue: GitHub.