def METHOD_NAME(wdir, config):
    if SEQS_FILE_LIST_PATH in config:
        return config[SEQS_FILE_LIST_PATH]
    seqs_file_list_path = wdir/'sequence_file_list_path.txt'
    seqs_dir_path = config.get(SEQS_DIR_PATH, None)
    if not seqs_dir_path:
        raise ValueError(f"Neither {SEQS_FILE_LIST_PATH} nor {SEQS_DIR_PATH} parameter are set. Need either to proceed")
    utils.create_transcript_path_list(seqs_dir_path, seqs_file_list_path)
    return seqs_file_list_path