little change

import shutil

import deepchem as dc

def load_gdb7(featurizer=None, split='index'):

def load_gdb7(featurizer=None, split='random'):

  """Load gdb7 datasets."""

  # Featurize gdb7 dataset

  print("About to featurize gdb7 dataset.")

               'random': dc.splits.RandomSplitter()}

  splitter = splitters[split]

  train, valid, test = splitter.train_valid_test_split(dataset)

  return gdb7_tasks, (train, valid, test), transformers