RuntimeError: No rendezvous handler for tcp://

[guaguazi1804918330]

when run python tools/dist_train.py
--cfg experiments/coco/higher_hrnet/w32_512_adam_lr1e-3.yaml Traceback (most recent call last):
File "D:\anaconda\envs\HHRnet\lib\site-packages\torch\multiprocessing\spawn.py", line 19, in _wrap
fn(i, *args)
File "D:\kinect\HigherHRNet-Human-Pose-Estimation-master\HigherHRNet-Human-Pose-Estimation-master\tools\dist_train.py", line 156, in main_worker
dist.init_process_group(
File "D:\anaconda\envs\HHRnet\lib\site-packages\torch\distributed\distributed_c10d.py", line 433, in init_process_group
rendezvous_iterator = rendezvous(
File "D:\anaconda\envs\HHRnet\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://

进程已结束,退出代码1