code: def __init__(self, g, fanouts, sample_neighbors):
      self.g = g
      self.fanouts = fanouts
      self.sample_neighbors = sample_neighbors
  
imports: import json
  import os
  from itertools import product
  import dgl
  import dgl.backend
  import numpy
  from dgl.distributed import edge_split, load_partition_book, node_split
label_desc: Use image node_id 1 to create a new NeighborSampler object from inherited base classes: object with example: obj = NeighborSampler(g, fanouts, sample_neighbors)