add pangu-onnx to pytorch

[GotoHitori]

Hi, I'd like to know if pangu-weather forecast model can be converted to pytoch, here is the link to the pangu-moedl: https://github.com/198808xc/Pangu-Weather

[dsuhoi]

@GotoHitori Yes, look at the dialogue thread with the FuXi model (it has been verified that similar modifications of onnx2torch will solve your problem).