how to load onnx model？

[645187919]

Describe the bug A clear and concise description of what the bug is. Please specify the class causing the issue. According to the demo on the official website, I generated the following code。 but i get error Is there a problem with the demo on the official website?

To Reproduce Steps to reproduce the behavior:

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS win10
• python3.8 -simpletransformers 0.63.7 Additional context Add any other context about the problem here.

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