keras-team/keras · error · ValueError

Unsupported arguments for LiteRT export with the PyTorch bac

Error message

Unsupported arguments for LiteRT export with the PyTorch backend: {', '.join(unsupported_args)}. Supported arguments are: {', '.join(supported_args)}.

What it means

Error "Unsupported arguments for LiteRT export with the PyTorch backend: {', '.join(unsupported_args)}. Supported arguments are: {', '.join(supported_args)}." thrown in keras-team/keras.

Source

Thrown at keras/src/export/litert.py:288

    for k, v in kwargs.items():
        if k in valid_litert_torch_args:
            litert_torch_kwargs[k] = v

    if "optimizations" in kwargs and "quant_config" not in litert_torch_kwargs:
        quant_cfg = _create_quant_config_from_optimizations(
            kwargs["optimizations"], litert_torch
        )
        if quant_cfg is not None:
            litert_torch_kwargs["quant_config"] = quant_cfg

    unsupported_args = sorted(
        key
        for key in kwargs
        if key not in valid_litert_torch_args and key != "optimizations"
    )
    if unsupported_args:
        supported_args = sorted(valid_litert_torch_args | {"optimizations"})
        raise ValueError(
            "Unsupported arguments for LiteRT export with the PyTorch "
            f"backend: {', '.join(unsupported_args)}. Supported arguments "
            f"are: {', '.join(supported_args)}."
        )

    return litert_torch_kwargs


def _get_litert_torch_kwarg_names(litert_torch):
    return {
        name
        for name in inspect.signature(litert_torch.convert).parameters
        if name not in {"module", "sample_args", "sample_kwargs"}
    }


@contextlib.contextmanager
def _preserve_jax_x64_state():

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/export/litert.py:288 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/410f0f79f72d09a7. Report an issue: GitHub.