code: def __init__(self):
      self.times = collections.defaultdict(Timings)
      self.start = timeit.default_timer()
  
imports: import collections
  import functools
  import timeit
  import traceback
  import weakref
  from json import dumps
  from typing import List
  import numpy
  from .ascii_table import ascii_table
label_desc: Use image node_id 1 to create a new Snapshot object  with example: obj = Snapshot()