code: def __init__(self):
      pass
  
imports: from __future__ import division
  import hashlib
  import operator
  import numpy
  import pandas
  import pyarrow
  from pyarrow import parquet
  from pyarrow.parquet import ParquetFile
  from petastorm.cache import NullCache
  from petastorm.workers_pool import EmptyResultError
  from petastorm.workers_pool.worker_base import WorkerBase
label_desc: Use image node_id 1 to create a new ArrowReaderWorkerResultsQueueReader object from inherited base classes: object with example: obj = ArrowReaderWorkerResultsQueueReader()