code: def get_image():
      # download image
      img1 = Image.open(
          check_exist_or_download(
              "https://angus-doc.readthedocs.io/en/latest/_images/aurelien.jpg"
          )
      )
      img2 = Image.open(
          check_exist_or_download(
              "https://angus-doc.readthedocs.io/en/latest/_images/gwenn.jpg"
          )
      )
      return img1, img2
  
file_path: singa/examples/onnx/arcface.py
imports: import os
  import numpy
  from PIL import Image
  from sklearn import preprocessing
  from singa import device
  from singa import tensor
  from singa import sonnx
  import onnx
  from utils import download_model, check_exist_or_download
  import logging
label_desc: Use image node_id 2 for calling a global function with example usage: get_image() and returns: img1,  img2