FileNotFoundError

[Lixia1221]

2020-11-29 21:18:54,699 atss_core.utils.checkpoint INFO: Loading checkpoint from ATSS_R_50_FPN_1x.pth
Traceback (most recent call last):
File "tools/test_net.py", line 97, in
main()
File "tools/test_net.py", line 66, in main
_ = checkpointer.load(cfg.MODEL.WEIGHT)
File "/home/fsr/ATSS-master/atss_core/utils/checkpoint.py", line 61, in load
checkpoint = self._load_file(f)
File "/home/fsr/ATSS-master/atss_core/utils/checkpoint.py", line 136, in _load_file
loaded = super(DetectronCheckpointer, self)._load_file(f)
File "/home/fsr/ATSS-master/atss_core/utils/checkpoint.py", line 95, in _load_file
return torch.load(f, map_location=torch.device("cpu"))
File "/home/fsr/anaconda3/envs/ATSS/lib/python3.7/site-packages/torch/serialization.py", line 382, in load
f = open(f, 'rb')
FileNotFoundError: [Errno 2] No such file or directory: 'ATSS_R_50_FPN_1x.pth'

I've downloaded this file, I still ca n' t find it, I think it's a path error, what's the correct path