AttributeError: 'Elmo' object has no attribute 'batch_to_embeddings'

[vincentt1999]

File "main.py", line 50, in response_pred
json_list = durationAPI.pred(events)
File "../Duration/inference_api.py", line 84, in pred
outputs = compute_predictions(self.model, test_loader)
File "/home/tianhao/anaconda3/envs/event-pipeline/lib/python3.7/site-packages/torch/autograd/grad_mode.py", line 49, in decorate_no_grad
return func(*args, **kwargs)
File "../Duration/utils_duration.py", line 40, in compute_predictions
p1_dur, p2_dur, fine, rel = model(words, span, root)
File "/home/tianhao/anaconda3/envs/event-pipeline/lib/python3.7/site-packages/torch/nn/modules/module.py", line 532, in call
result = self.forward(*input, **kwargs)
File "/home/tianhao/relation_extraction/EventPlus/component/Duration/scripts/src/factslab/factslab/pytorch/temporalmodule.py", line 241, in forward
inputs, masks = self.elmo_class.batch_to_embeddings(structures)
File "/home/tianhao/anaconda3/envs/event-pipeline/lib/python3.7/site-packages/torch/nn/modules/module.py", line 576, in getattr
type(self).name, name))
AttributeError: 'Elmo' object has no attribute 'batch_to_embeddings'