Crestereo direct model conversion to onnx using MgeConvert

[mantioh]

During the direct conversion of crestereo megengine model to onnx using mgeconvert facing the below issue, as attached in the screenshot below.

Below is the system configuration used
ubuntu 20.04
MegEngine==1.13.0
mgeconvert==0.7.0.dev0
cuda 12.3