code: def __init__(self, config, ip_list_file, mode="infer"):
      self.config = config
      self.ip_list_file = ip_list_file
      self.mode = mode
  
imports: import os
  import sys
  import time
  import warnings
  import numpy
  from collections import defaultdict
  from pgl.graph_kernel import skip_gram_gen_pair
  from pgl.utils.logger import log
  from pgl.distributed import DistGraphClient, DistGraphServer
  from pgl.utils.data import Dataloader, StreamDataset
  from utils.config import prepare_config
  from datasets.node import NodeGenerator
  from datasets.walk import WalkGenerator
  from datasets.pair import PairGenerator
label_desc: Use image node_id 1 to create a new InferDataset object from inherited base classes: StreamDataset with example: obj = InferDataset(config, ip_list_file, mode)