code: def __init__(self, onnx_model):
      super(MyModel, self).__init__(onnx_model)
  
file_path: singa/examples/onnx/gpt2/gpt2.py
imports: import os
  import numpy
  from singa import device
  from singa import tensor
  from singa import sonnx
  from singa import autograd
  import onnx
  import sys
  from utils import download_model
  import logging
  from transformers import GPT2Tokenizer
label_desc: Use image node_id 1 to create a new MyModel object from inherited base classes: sonnx with example: obj = MyModel(onnx_model)