code: def __init__(self):
      self.created_shms = []
      self.opened_shms = []
  
imports: import os
  import warnings
  from functools import partial
  from math import ceil
  from uuid import uuid4
  import numpy
  import pyarrow
  from multiprocess import get_context
  from ..None import config
label_desc: Use image node_id 1 to create a new SharedMemoryContext object  with example: obj = SharedMemoryContext()