Just converts from an ``argparse.Namespace`` object to params.

def make_vocab_from_args(args: argparse.Namespace):
    """
    Just converts from an ``argparse.Namespace`` object to params.
    """
    parameter_path = args.param_path
    overrides = args.overrides
    serialization_dir = args.serialization_dir

    params = Params.from_file(parameter_path, overrides)

    make_vocab_from_params(params, serialization_dir)