keras-team/keras · error · ValueError

axes must be different

Error message

axes must be different

What it means

Error "axes must be different" thrown in keras-team/keras.

Source

Thrown at keras/src/backend/openvino/numpy.py:2027

    """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)

    result = array

    for _ in range(k):
        # 1️ Transpose axis1 <-> axis2
        perm = list(range(ndim))
        perm[axis1], perm[axis2] = perm[axis2], perm[axis1]
        perm_const = ov_opset.constant(perm, Type.i32).output(0)
        result = ov_opset.transpose(result, perm_const).output(0)

        # 2️ Reverse along axis1 using StridedSlice
        begin = [0] * ndim
        end = [0] * ndim
        strides = [1] * ndim

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/backend/openvino/numpy.py:2027 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/e04c319534138f35. Report an issue: GitHub.