code: def wait(self, timeout=None):
      with self._cond:
          if self._flag.acquire(False):
              self._flag.release()
          else:
              self._cond.wait(timeout)
  
          if self._flag.acquire(False):
              self._flag.release()
              return True
          return False
  
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 5 for calling the Event obj's underlying member method code with example usage: obj.wait(timeout) and returns: False, True