code: def wait(self, timeout=None):
      assert (
          self._lock._semlock._is_mine()
      ), "must acquire() condition before using wait()"
  
      # indicate that this thread is going to sleep
      self._sleeping_count.release()
  
      # release lock
      count = self._lock._semlock._count()
      for i in range(count):
          self._lock.release()
  
      try:
          # wait for notification or timeout
          return self._wait_semaphore.acquire(True, timeout)
      finally:
          # indicate that this thread has woken
          self._woken_count.release()
  
          # reacquire lock
          for i in range(count):
              self._lock.acquire()
  
imports: import threading
  import sys
  import tempfile
  import _multiprocessing
  import time
  from .None import context
  from .None import process
  from .None import util
label_desc: Use image node_id 8 for calling the Condition obj's underlying member method code with example usage: obj.wait(timeout) and returns: self