flake8

import os

import logging

import deepchem

import numpy as np

from deepchem.data import Dataset

from deepchem.molnet.load_function.molnet_loader import TransformerGenerator, _MolnetLoader

from typing import List, Optional, Tuple, Union, Iterable, Any

from typing import List, Optional, Tuple, Union

import deepchem as dc

from deepchem.feat import Featurizer

logger = logging.getLogger(__name__)