code: def __init__(self, default):
      self.default = default
      self.data = threading.local()
  
file_path: catboost/contrib/python/hypothesis/py2/hypothesis/utils/dynamicvariables.py
imports: from __future__ import absolute_import, division, print_function
  import threading
  from contextlib import contextmanager
label_desc: Use image node_id 1 to create a new DynamicVariable object from inherited base classes: object with example: obj = DynamicVariable(default)