code: def __init__(self, device=None):
      self.timer = default_timer
      if device is None:
          self.device = get_bench_device()
      else:
          self.device = device
  
imports: import inspect
  import json
  import os
  import pickle
  import shutil
  import time
  import zipfile
  from functools import partial, reduce, wraps
  from timeit import default_timer
  import dgl
  import numpy
  import pandas
  import requests
  import torch
  from ogb.nodeproppred import DglNodePropPredDataset
  import traceback
  from _thread import start_new_thread
  import torch.multiprocessing
label_desc: Use image node_id 1 to create a new Timer object  with example: obj = Timer(device)