config = Config(optval)
elif opt == "-n" or opt == "--node" or opt == "--nodeid" or opt == "--node-id" or opt == "--node_id":
if os.path.exists(optval):
config = Config(optval)
elif opt == "-n" or opt == "--node" or opt == "--nodeid" or opt == "--node-id" or opt == "--node_id":
if os.path.exists(optval):