code: def __init__(self):
      self._cond = Condition(Lock())
      self._flag = Semaphore(0)
  
imports: import os
  import sys
  import tempfile
  import threading
  import _multiprocessing
  from time import time
  from multiprocessing import process, util
  from multiprocessing.context import assert_spawning
  from .None import resource_tracker
label_desc: Use image node_id 1 to create a new Event object  with example: obj = Event()