A bug in emscore utils.py file

[OguzCennet]

Could you please help me to solve the following problem?
I am running the following code python VATEX-EVAL-demo.py --storage_path ../data/vartex_eval/VATEX-EVAL/ --use_n_refs 1

Traceback (most recent call last):
File "VATEX-EVAL-demo.py", line 91, in
results = metric.score(cands, refs, vids=vids)
File "/netscratch/oguz/impress/video/code/emscore/emscore/scorer.py", line 84, in score
results = em_cos_score(
File "/netscratch/oguz/impress/video/code/emscore/emscore/utils.py", line 379, in em_cos_score
hyp_stats_global = pad_global_batch_stats(batch_hyps, text_global_stats_dict, device)
File "/netscratch/oguz/impress/video/code/emscore/emscore/utils.py", line 364, in pad_global_batch_stats
emb_pad = pad_sequence(emb, batch_first=True, padding_value=0.0)
File "/netscratch/oguz/impress/video/venvs/emscore/lib/python3.8/site-packages/torch/nn/utils/rnn.py", line 399, in pad_sequence
return torch._C._nn.pad_sequence(sequences, batch_first, padding_value)
RuntimeError: ArrayRef: invalid slice, N = 1; size = 0