keras-team/keras · error · ValueError

`shape` argument cannot contain `None`. Received: shape={sha

Error message

`shape` argument cannot contain `None`. Received: shape={shape}

What it means

Error "`shape` argument cannot contain `None`. Received: shape={shape}" thrown in keras-team/keras.

Source

Thrown at keras/src/backend/openvino/numpy.py:5112

    else:
        x_final = ov_opset.constant(dx, dtype=y_type).output(0)

    result = ov_opset.multiply(y_final, x_final).output(0)
    const_axis = ov_opset.constant([axis], Type.i64).output(0)
    result = ov_opset.reduce_sum(result, const_axis, False).output(0)

    return OpenVINOKerasTensor(result)


def unravel_index(indices, shape):
    indices = get_ov_output(indices)
    if not indices.get_element_type().is_integral():
        indices = ov_opset.convert(indices, Type.i64).output(0)
    indices_dtype = indices.get_element_type()

    if None in shape:
        raise ValueError(
            f"`shape` argument cannot contain `None`. Received: shape={shape}"
        )

    if isinstance(shape, tuple):
        shape = list(shape)

    # Handle negative indices
    total_size = math.prod(shape)
    total_size_const = ov_opset.constant(total_size, indices_dtype).output(0)

    zero = ov_opset.constant(0, indices_dtype).output(0)
    is_negative = ov_opset.less(indices, zero).output(0)
    indices = ov_opset.select(
        is_negative, ov_opset.add(indices, total_size_const), indices
    ).output(0)

    coords = []
    for dim_size in reversed(shape):

View on GitHub (pinned to 7a34a03db6)

When it happens

Trigger: Thrown at keras/src/backend/openvino/numpy.py:5112 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/729f8d2787a63e20. Report an issue: GitHub.