code: def __init__(self, label, timer, caller_id=None):
      self.label = label
      self.timer = timer
      self.caller_id = caller_id
  
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 _TimerContextManager object  with example: obj = _TimerContextManager(label, timer, caller_id)