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