keras-team/keras · error · ValueError

axes must be a tuple of length 2

Error message

axes must be a tuple of length 2

What it means

Error "axes must be a tuple of length 2" thrown in keras-team/keras.

Source

Thrown at keras/src/backend/openvino/numpy.py:2013

        end_mask=all_ones_mask,
    )
    return OpenVINOKerasTensor(result.output(0))


def fliplr(x):
    return flip(x, axis=1)


def flipud(x):
    return flip(x, axis=0)


def rot90(array, k=1, axes=(0, 1)):
    """Rotate an array by 90 degrees in the plane specified by axes."""
    array = get_ov_output(array)

    if not isinstance(axes, (tuple, list)) or len(axes) != 2:
        raise ValueError("axes must be a tuple of length 2")

    shape = array.get_partial_shape()
    ndim = shape.rank.get_length()
    if ndim is None:
        raise ValueError(
            "`rot90` does not support tensors with dynamic rank "
            "for the OpenVINO backend."
        )

    axis1 = canonicalize_axis(axes[0], ndim)
    axis2 = canonicalize_axis(axes[1], ndim)

    if axis1 == axis2:
        raise ValueError("axes must be different")

    k = k % 4
    if k == 0:
        return OpenVINOKerasTensor(array)

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/backend/openvino/numpy.py:2013 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/7118f009e2dd79b4. Report an issue: GitHub.