code: def time(self, label):
      return _TimerContextManager(label, self)
  
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 6 for calling the HierarchicalTimer obj's underlying member method code with example usage: obj.time(label) and returns: _TimerContextManager