AttributeError: module 'moses' has no attribute 'get_all_metrics'

[Misaka10862]

Traceback (most recent call last):
File "MolGen/main.py", line 226, in
main()
File "MolGen/main.py", line 218, in main
get_stats(train_set=dataset,
File "/root/autodl-tmp/MolGen-master/MolGen/src/train/evaluate.py", line 444, in get_stats
metrics = moses.get_all_metrics(generated_smiles)
AttributeError: module 'moses' has no attribute 'get_all_metrics'

please help me with this problem, or tell me why it happened. Thanks a lot!