运行BERT预训练时报错

[klmuty]

具体报错如下：
(
MindSpore) [ma-user work]$ python run_pretrain.py --device_target Ascend --amp True --jit True --lr 2e-5 --warmup_steps 10000 --train_batch_size 256 --epochs 15 --save_steps 10000 --do_load_ckpt False --config config/bert_config_small.json
modelarts_true
INFO:root:Using MoXing-v2.0.1.rc0.ffd1c0c8-ffd1c0c8
INFO:root:Using OBS-Python-SDK-3.20.9.1
from path:
to path: /cache/data
Traceback (most recent call last):
File "run_pretrain.py", line 209, in
sync_data(data_url, local_data_path, threads=25)
File "/home/ma-user/work/src/moxing_adapter.py", line 59, in sync_data
mox.file.copy_parallel(from_path, to_path, threads=threads)
File "/home/ma-user/anaconda3/envs/MindSpore/lib/python3.7/site-packages/moxing/framework/file/file_io.py", line 2406, in copy_parallel
return copy(src_url, dst_url, atom=atom)
File "/home/ma-user/anaconda3/envs/MindSpore/lib/python3.7/site-packages/moxing/framework/util/runtime.py", line 259, in wrapper
return func(*args, **kwargs)
File "/home/ma-user/anaconda3/envs/MindSpore/lib/python3.7/site-packages/moxing/framework/file/file_io.py", line 329, in wrapper
return func(*args, **kwargs)
File "/home/ma-user/anaconda3/envs/MindSpore/lib/python3.7/site-packages/moxing/framework/file/file_io.py", line 2039, in copy
shutil.copyfile(src_object_key, dst_object_key)
File "/home/ma-user/anaconda3/envs/MindSpore/lib/python3.7/shutil.py", line 120, in copyfile
with open(src, 'rb') as fsrc:
FileNotFoundError: [Errno 2] No such file or directory: ''