Typo and kwargs

    },

    dataset_size: str = '250K',

    dataset_dimension: str = '2D',

    test_run: bool = False,

    **kwargs) -> Tuple[List, Optional[Tuple], List]:

    test_run: bool = False) -> Tuple[List, Optional[Tuple], List]:

  """Load zinc15.

  ZINC15 is a dataset of over 230 million purchasable compounds for

    SMILES strings (2D) or 3D SDF files; '2D' or '3D'

  test_run : bool (default False)

    Flag to indicate tests, if True dataset is not downloaded.

  **kwargs : additional optional arguments.

  Returns

  -------

  # Raise warnings and list other available options

  if dataset_size not in ['250K', '1M', '10M', '270M']:

    raise ValueError("""

      Only '250K', '1M', and '10M' are supported for dataset_size.

      Only '250K', '1M', '10M', and '270M' are supported for dataset_size.

      """)

  if dataset_dimension != '2D':

    raise ValueError("""