关于COSNet复现问题

[chssjhjbj]

您好，我最近也关注COSNet这个模型，然后在训练时，遇到了这个问题：
(predictor): BasePredictor(
(logits): Linear(in_features=512, out_features=10200, bias=True)
(dropout): Dropout(p=0.5, inplace=False)
)
(greedy_decoder): GreedyDecoder()
(beam_searcher): BeamSearcher()
)
[09/08 16:48:14] xl.datasets.common INFO: Serializing 113287 elements to byte tensors and concatenating them all ...
[09/08 16:48:23] xl.datasets.common INFO: Serialized dataset takes 162.52 MiB
[09/08 16:48:23] xl.datasets.common INFO: Serializing 5000 elements to byte tensors and concatenating them all ...
[09/08 16:48:23] xl.datasets.common INFO: Serialized dataset takes 2.68 MiB
[09/08 16:48:23] xl.datasets.common INFO: Serializing 5000 elements to byte tensors and concatenating them all ...
[09/08 16:48:23] xl.datasets.common INFO: Serialized dataset takes 2.68 MiB
[09/08 16:48:39] fvcore.common.checkpoint INFO: [Checkpointer] Loading from /home/stormai/userfile/caoshan/code/xmodaler/ModelResult/xe/cosnet_xe.pth ...
[09/08 16:48:44] xl.engine.train_loop INFO: Starting training from iteration 0
[09/08 16:48:45] xl.engine.train_loop ERROR: Exception during training:
Traceback (most recent call last):
File "/home/stormai/userfile/caoshan/code/xmodaler-master/xmodaler/engine/train_loop.py", line 151, in train
self.run_step()
File "/home/stormai/userfile/caoshan/code/xmodaler-master/xmodaler/engine/rl_mean_trainer.py", line 47, in run_step
bs_rewards = self.scorer(bs_outputs_dict)
File "/home/stormai/userfile/caoshan/code/xmodaler-master/xmodaler/scorer/base_scorer.py", line 66, in call
gts = [self.gts[i] for i in ids]
File "/home/stormai/userfile/caoshan/code/xmodaler-master/xmodaler/scorer/base_scorer.py", line 66, in
gts = [self.gts[i] for i in ids]
TypeError: list indices must be integers or slices, not numpy.str_
请问您有遇到过吗？怎么解决的呢？