Increase Blacklist Size

  if feat == "grid":

    featurizer = dc.feat.GridFeaturizer(

        voxel_width=16.0, feature_types="voxel_combined",

        voxel_feature_types=["ecfp", "splif", "hbond", "pi_stack", "cation_pi",

        "salt_bridge"], ecfp_power=9, splif_power=9,

        # TODO(rbharath, enf, leswing): Figure out why pi_stack and cation_pi

        # reduce validation performance

        # voxel_feature_types=["ecfp", "splif", "hbond", "pi_stack", "cation_pi",

        # "salt_bridge"], ecfp_power=9, splif_power=9,

        voxel_feature_types=["ecfp", "splif", "hbond", "salt_bridge"],

        ecfp_power=9, splif_power=9,

        parallel=True, flatten=True)

  elif feat == "coord":

    neighbor_cutoff = 4