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train error #39
Description
Traceback (most recent call last):
File "main.py", line 132, in
launch(
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/detectron2/engine/launch.py", line 87, in launch
main_func(*args)
File "main.py", line 126, in main
do_train(args, cfg)
File "main.py", line 78, in do_train
train_loader = instantiate(cfg.dataloader.train)
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/detectron2/config/instantiate.py", line 67, in instantiate
cfg = {k: instantiate(v) for k, v in cfg.items()}
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/detectron2/config/instantiate.py", line 67, in
cfg = {k: instantiate(v) for k, v in cfg.items()}
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/detectron2/config/instantiate.py", line 83, in instantiate
return cls(**cfg)
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/torch/utils/data/distributed.py", line 68, in init
num_replicas = dist.get_world_size()
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/torch/distributed/distributed_c10d.py", line 1181, in get_world_size
return _get_group_size(group)
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/torch/distributed/distributed_c10d.py", line 566, in _get_group_size
default_pg = _get_default_group()
File "/home/jyw/anaconda3/envs/ViTMatte/lib/python3.8/site-packages/torch/distributed/distributed_c10d.py", line 697, in _get_default_group
raise RuntimeError(
RuntimeError: Default process group has not been initialized, please make sure to call init_process_group.