code: def __init__(self, maxsize=128):
      self.cache = OrderedDict()
      self.maxsize = maxsize
  
imports: from collections import OrderedDict
  import gc
  import logging
  import functools
  import psutil
  from finetune.target_models.sequence_labeling import SequenceLabeler
  import tensorflow
  from finetune.base import BaseModel
  from finetune.custom_ops import BytesInUse, BytesLimit, MaxBytesInUse
  from finetune.errors import FinetuneSchedulerError
label_desc: Use image node_id 1 to create a new EtlCache object  with example: obj = EtlCache(maxsize)