class_docstr: PglGraphPropPredDataset
docstr: Get datapoint with index
docstr_tok: ["Get","datapoint","with","index"]
code: def __getitem__(self, idx):
      """Get datapoint with index"""
      return self.graphs[idx], self.labels[idx]
  
file_path: PGL/legacy/pgl/contrib/ogb/graphproppred/dataset_pgl.py
imports: import pandas
  import shutil, os
  import os.path
  import numpy
  from ogb.utils.url import decide_download, download_url, extract_zip
  from ogb.graphproppred import make_master_file
  from pgl.contrib.ogb.io.read_graph_pgl import read_csv_graph_pgl
label_desc: Use image node_id 4 for calling the PglGraphPropPredDataset obj's underlying member method code with example usage: obj.__getitem__(idx) and returns: self,  self