EOFError: Ran out of input

[htcboy]

Traceback (most recent call last):
File "train_net.py", line 44, in
main() # pylint: disable=no-value-for-parameter # Uses hydra
File "lib/python3.7/site-packages/hydra/main.py", line 95, in decorated_main
config_name=config_name,
File "lib/python3.7/site-packages/hydra/_internal/utils.py", line 401, in _run_hydra
overrides=overrides,
File "lib/python3.7/site-packages/hydra/_internal/utils.py", line 458, in _run_app
lambda: hydra.run(
File "lib/python3.7/site-packages/hydra/_internal/utils.py", line 222, in run_and_report
raise ex
File "lib/python3.7/site-packages/hydra/_internal/utils.py", line 219, in run_and_report
return func()
File "lib/python3.7/site-packages/hydra/_internal/utils.py", line 461, in
overrides=overrides,
File "lib/python3.7/site-packages/hydra/_internal/hydra.py", line 132, in run
_ = ret.return_value
File "lib/python3.7/site-packages/hydra/core/utils.py", line 260, in return_value
raise self._return_value
File "lib/python3.7/site-packages/hydra/core/utils.py", line 186, in run_job
ret.return_value = task_function(task_cfg)
File "train_net.py", line 35, in main
getattr(func, cfg.train.fn).main(cfg)
File "AVT/func/train.py", line 689, in main
init_model(model_to_init, ckpt_path, ckpt_modules_to_keep, logger)
File "AVT/func/train.py", line 467, in init_model
checkpoint = torch.load(ckpt_path, map_location="cpu")
File "lib/python3.7/site-packages/torch/serialization.py", line 795, in load
return _legacy_load(opened_file, map_location, pickle_module, **pickle_load_args)
File "lib/python3.7/site-packages/torch/serialization.py", line 1002, in _legacy_load
magic_number = pickle_module.load(f, **pickle_load_args)
EOFError: Ran out of input

i meet this problem when i load the checkpoint and i can't figure it out, so i wonder why this happen?
here is the checkpoint:
AVT/DATA/pretrained/TIMM/jx_vit_base_p16_224-80ecf9dd.pth