torch.onnx.errors.UnsupportedOperatorError: Exporting the operator 'aten::__iand_' to ONNX opset version 17 is not supported

[lix19937]

aten::__iand_

from torch

    // NB: we always take the scalar type of the Tensor
    static const register_formula_for broadcasting_tensor_scalar_ops{
        {

            "aten::pow(Tensor self, Scalar exponent) -> Tensor",
            "aten::fmod(Tensor self, Scalar other) -> Tensor",
            "aten::remainder(Tensor self, Scalar other) -> Tensor",
            "aten::pow(Scalar self, Tensor exponent) -> Tensor",
            "aten::__and__(Tensor self, Scalar other) -> Tensor",
            "aten::__or__(Tensor self, Scalar other) -> Tensor",
            "aten::__xor__(Tensor self, Scalar other) -> Tensor",
            "aten::__lshift__(Tensor self, Scalar other) -> Tensor",
            "aten::__rshift__(Tensor self, Scalar other) -> Tensor",
            "aten::__iand__(Tensor self, Scalar other) -> Tensor",
            "aten::__ior__(Tensor self, Scalar other) -> Tensor",
            "aten::__ixor__(Tensor self, Scalar other) -> Tensor",
            "aten::__ilshift__(Tensor self, Scalar other) -> Tensor",
            "aten::__irshift__(Tensor self, Scalar other) -> Tensor",
        },

[lix19937]

定位发现 是

cmask &= thresh_mask[i]

导致的， 改成如下：

cmask = cmask & thresh_mask[i]