def _decode_escape_characters(opt):
    # This function attempts to parse special characters (e.g. \n) in a
    # command-line option.
    if opt:
        try:
            opt = opt.decode('string_escape')
        except __HOLE__:
            # We may get a ValueError here if the string has an odd number
            # of backslashes.  In that case, we just return the original
            # string.
            pass
    return opt
dataset/ETHPy150Open memsql/memsql-loader/memsql_loader/cli/load.py/_decode_escape_characters