code: def __init__(self, instance):
      self._instance = instance
      self._pool = []
      self._lock = threading.Lock()
  
imports: import threading
  from functools import wraps
  import attr
  import six
label_desc: Use image node_id 1 to create a new DeferredExecutionPool object from inherited base classes: object with example: obj = DeferredExecutionPool(instance)