keras-team/keras · error · ValueError

indexing must be either 'xy' or 'ij'

Error message

indexing must be either 'xy' or 'ij'

What it means

Error "indexing must be either 'xy' or 'ij'" thrown in keras-team/keras.

Source

Thrown at keras/src/backend/openvino/numpy.py:3125

                [1] * original_rank, Type.i32
            ).output(0)
            median_result = ov_opset.reshape(
                median_result, ones_shape, False
            ).output(0)
        else:
            median_result = ov_opset.unsqueeze(median_result, [axis]).output(0)

    return OpenVINOKerasTensor(median_result)


def meshgrid(*x, indexing="xy"):
    if len(x) < 2:
        raise ValueError(
            "meshgrid requires at least 2 input arrays. "
            f"Received: {len(x)} input array(s)."
        )
    if indexing not in ("xy", "ij"):
        raise ValueError("indexing must be either 'xy' or 'ij'")

    tensors = [get_ov_output(xi) for xi in x]
    n = len(tensors)

    shapes = [
        ov_opset.shape_of(t, Type.i64).output(0) for t in tensors
    ]  # each is [Ni]
    one = ov_opset.constant([1], Type.i64).output(0)

    if indexing == "xy":
        shape_list = [shapes[1], shapes[0]] + shapes[2:]
        out_shape = ov_opset.concat(shape_list, axis=0).output(0)
    else:
        out_shape = ov_opset.concat(shapes, axis=0).output(0)

    outputs = []
    for i, t in enumerate(tensors):
        reshape_parts = [one] * n

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/backend/openvino/numpy.py:3125 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/c88bc1752dccebf5. Report an issue: GitHub.