No conversion function registered for op type BlockGrad yet

[zhengyi2015mi]

When I transform my mxnet model to onnx model, I met the following error:

Here is my *-symbol.json file:

[vandanavk]

@mxnet-label-bot [ONNX, Operator]

[vandanavk]

Thank you for reporting this issue @zhengyi2015mi. Could you share the model you used for testing?

Are there any other operators that are giving such errors? Please share details of those operators too (if any).

[piyushghai]

@zhengyi2015mi Can you provide a snippet of your model code in order to debug this issue ?
Thanks!

[vandanavk]

PR #12946

[GokulNC]

@vandanavk @Roshrini
I'm still facing the error AttributeError: No conversion function registered for op type BlockGrad yet.

I tried ONNX both from pip as well as installation from source as directed in the README, but the issue doesn't seem to be fixed.

For your reference, the model that I'm trying to convert to ONNX is here (input_shape = (1, 3, 112, 112)):
https://github.com/aidlearning/AidLearning-FrameWork/tree/master/examples/facencnn

And, the guide that I followed for converting MXNet model to ONNX is:
https://mxnet.incubator.apache.org/versions/master/tutorials/onnx/export_mxnet_to_onnx.html

[Roshrini]

@GokulNC Can you check MXNet version you are using? Could you try latest master branch while installing from source? Or try to get latest nightly build through pip as follows:
pip install mxnet --pre

[GokulNC]

Thanks, that helped! It seems the binaries in pip's stable line are not the latest ones.