reverted init in data_utils

    """

    return max(split)/sum(split) != 1.

def get_split(args):

    """

    Get dataset splits from comma separated string list

    """

    splits = []

    if args.split.find(',') != -1:

        splits = [float(s) for s in args.split.split(',')]

    elif args.split.find('/') != -1:

        splits = [float(s) for s in args.split.split('/')]

    else:

        splits = [float(args.split)]

    split_total = sum(splits)

    if split_total < 1.:

        splits.append(1-split_total)

    while len(splits) < 3:

        splits.append(0.)

    splits = splits[:3]

    if args.valid_data is not None:

        splits[1] = 0.

    if args.test_data is not None:

        splits[2] = 0.

    final_sum = sum(splits)

    return [s/final_sum for s in splits]

def get_ext(path):

    """gets path extension"""

    return os.path.splitext(path)[1]