Update ps1 install and return types

    -------

    feats: np.ndarray

      Vector of properties and statistics derived from chemical

      stoichiometry.

      stoichiometry. Some values may be NaN.

    """

    except:

      feats = []

    return feats

    return np.array(feats)

class SineCoulombMatrix(Featurizer):

    py-xgboost `

    rdkit `

    simdna `

    pymatgen `

    pytest `

    pytest-cov `

    flaky

pip install -U tensorflow tensorflow-probability

pip install -U matminer tensorflow tensorflow-probability