Traceback (most recent call last):


 "/home/ryan/miniconda3/envs/cropmask/lib/python3.6/site-packages/torch/multiprocessing/spawn.py", line 19, in _wrap

fn(i, *args)


 "/home/ryan/detectron2/detectron2/engine/launch.py", line 67, in _distributed_worker

raise e


 "/home/ryan/detectron2/detectron2/engine/launch.py", line 62, in _distributed_worker

backend="NCCL", init_method=dist_url, world_size=world_size, rank=global_rank


 "/home/ryan/miniconda3/envs/cropmask/lib/python3.6/site-packages/torch/distributed/distributed_c10d.py", line 400, in init_process_group

store, rank, world_size = next(rendezvous(url))


 "/home/ryan/miniconda3/envs/cropmask/lib/python3.6/site-packages/torch/distributed/rendezvous.py", line 130, in _env_rendezvous_handler

raise _env_error("MASTER_ADDR")
ValueError: Error initializing torch.distributed using env:// rendezvous: environment variable MASTER_ADDR expected, but not set

**Traceback (most recent call last):


 "test/example.py", line 16, in <module>

inputs.vocab.load_vectors('glove.840B.300d')


 "/Users/wangyuan/anaconda2/lib/python2.7/site-packages/torchtext/vocab.py", line 129, in load_vectors

"Vectors object".format(type(vector)))
ValueError: Got input vectors of type <type 'str'>, expected str or Vectors object**