code: def save_and_load(sm):
      buffer = io.BytesIO()
      torch.jit.save(sm, buffer)
      buffer.seek(0)
      return torch.jit.load(buffer)
  
file_path: pytorch/test/test_bundled_images.py
imports: import torch
  import torch.utils.bundled_inputs
  import io
  import cv2
  from torch.testing._internal.common_utils import TestCase
label_desc: Use image node_id 2 for calling a global function with example usage: save_and_load(sm) and returns: torch