class_docstr: Graph Dataloader
      
class_docstr_tok: ["Graph","Dataloader"]
code: def __init__(
      self,
      dataset,
      graph_wrapper,
      batch_size,
      seed=0,
      buf_size=1000,
      shuffle=True,
  ):
      self.shuffle = shuffle
      self.seed = seed
      self.batch_size = batch_size
      self.dataset = dataset
      self.buf_size = buf_size
      self.graph_wrapper = graph_wrapper
  
file_path: PGL/legacy/examples/SAGPool/dataloader.py
imports: import numpy
  import collections
  import paddle
  import pgl
  from pgl.utils.logger import log
  from pgl.graph import Graph, MultiGraph
label_desc: Use image node_id 1 to create a new GraphDataloader object from inherited base classes: object with example: obj = GraphDataloader(dataset, graph_wrapper, batch_size, seed, buf_size, shuffle)