docstr: Close queue, indicating no more items will be added.
code: def close(self):
      """Close queue, indicating no more items will be added."""
      self._closed = True
      # Interrupt the blocking _not_empty.wait() call in get
      self._not_empty.acquire()
      self._not_empty.notify()
      self._not_empty.release()
  
file_path: wandb/wandb/vendor/watchdog_0_9_0/wandb_watchdog/utils/delayed_queue.py
imports: import time
  import threading
  from collections import deque
label_desc: Use image node_id 3 for calling the DelayedQueue obj's underlying member method code with example usage: obj.close() without return types