复现res-loglikelihood-regression-master 时候出现 RuntimeError: No rendezvous handler for tcp:// 问题

自己在复现res-loglikelihood-regression-master 的时候出现 RuntimeError: No rendezvous handler for tcp://

Traceback (most recent call last):
  File "D:/rhnet-daima/res-loglikelihood-regression-master/res-loglikelihood-regression-master/scripts/train.py", line 172, in <module>
    main()
  File "D:/rhnet-daima/res-loglikelihood-regression-master/res-loglikelihood-regression-master/scripts/train.py", line 45, in main
    mp.spawn(main_worker, nprocs=ngpus_per_node, args=(opt, cfg))
  File "D:\anaconda3\envs\PyTorch_YOLOv4-master\lib\site-packages\torch\multiprocessing\spawn.py", line 199, in spawn
    return start_processes(fn, args, nprocs, join, daemon, start_method='spawn')
  File "D:\anaconda3\envs\PyTorch_YOLOv4-master\lib\site-packages\torch\multiprocessing\spawn.py", line 157, in start_processes
    while not context.join():
  File "D:\anaconda3\envs\PyTorch_YOLOv4-master\lib\site-packages\torch\multiprocessing\spawn.py", line 118, in join
    raise Exception(msg)
Exception: 

-- Process 0 terminated with the following error:
Traceback (most recent call last):
  File "D:\anaconda3\envs\PyTorch_YOLOv4-master\lib\site-packages\torch\multiprocessing\spawn.py", line 19, in _wrap
    fn(i, *args)
  File "D:\rhnet-daima\res-loglikelihood-regression-master\res-loglikelihood-regression-master\scripts\train.py", line 55, in main_worker
    init_dist(opt)
  File "D:\rhnet-daima\res-loglikelihood-regression-master\res-loglikelihood-regression-master\rlepose\utils\env.py", line 24, in init_dist
    world_size=opt.world_size, rank=opt.rank)
  File "D:\anaconda3\envs\PyTorch_YOLOv4-master\lib\site-packages\torch\distributed\distributed_c10d.py", line 434, in init_process_group
    init_method, rank, world_size, timeout=timeout
  File "D:\anaconda3\envs\PyTorch_YOLOv4-master\lib\site-packages\torch\distributed\rendezvous.py", line 82, in rendezvous
    raise RuntimeError("No rendezvous handler for {}://".format(result.scheme))
RuntimeError: No rendezvous handler for tcp://

自己采用的是单gpu训练