code: def __init__(self):
      self.nesting_level = 0
  
file_path: tensorboard/tensorboard/util/timing.py
imports: import contextlib
  import logging
  import threading
  import time
  from tensorboard.util import tb_logging
label_desc: Use image node_id 1 to create a new _ThreadLocalStore object from inherited base classes: threading with example: obj = _ThreadLocalStore()