AttributeError: Unknown attribute

[lianrzh]

I met the error when run stage 6 python train.py ` $ python train.py /data/app/anaconda3/envs/k2/lib/python3.7/site-packages/lhotse/augmentation/torchaudio.py:13: UserWarning: Torchaudio SoX effects chains are only introduced in version 0.7 - please upgrade your PyTorch to 1.7+ and torchaudio to 0.7+ to use them. warnings.warn('Torchaudio SoX effects chains are only introduced in version 0.7 - ' Loading L.fst About to get train cuts About to get dev cuts About to create train dataset About to create dev dataset About to create train dataloader About to create dev dataloader About to create model 2020-11-26 16:30:17,713 INFO [train.py:297] epoch 0, learning rate 1e-05 Traceback (most recent call last): File "train.py", line 347, in main() File "train.py", line 307, in main num_epochs=num_epochs) File "train.py", line 153, in train_one_epoch get_objf(batch, model, subsampling, device, L, symbols, True, optimizer) File "train.py", line 103, in get_objf decoding_graph = create_decoding_graph(texts, L, symbols).to(device) File "/data/app/anaconda3/envs/k2/lib/python3.7/site-packages/k2/fsa.py", line 240, in getattr raise AttributeError(f'Unknown attribute {name}') AttributeError: Unknown attribute to

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[danpovey]

Probably you have an older version of k2, before .to() was added to Fsa.

On Thu, Nov 26, 2020 at 4:31 PM Rongzhong Lian [email protected] wrote:

I met the error when run stage 6 python train.py ` $ python train.py /data/app/anaconda3/envs/k2/lib/python3.7/site-packages/lhotse/augmentation/torchaudio.py:13: UserWarning: Torchaudio SoX effects chains are only introduced in version 0.7 - please upgrade your PyTorch to 1.7+ and torchaudio to 0.7+ to use them. warnings.warn('Torchaudio SoX effects chains are only introduced in version 0.7 - ' Loading L.fst About to get train cuts About to get dev cuts About to create train dataset About to create dev dataset About to create train dataloader About to create dev dataloader About to create model 2020-11-26 16:30:17,713 INFO [train.py:297] epoch 0, learning rate 1e-05 Traceback (most recent call last): File "train.py", line 347, in main() File "train.py", line 307, in main num_epochs=num_epochs) File "train.py", line 153, in train_one_epoch get_objf(batch, model, subsampling, device, L, symbols, True, optimizer) File "train.py", line 103, in get_objf decoding_graph = create_decoding_graph(texts, L, symbols).to(device) File "/data/app/anaconda3/envs/k2/lib/python3.7/site-packages/k2/fsa.py", line 240, in getattr raise AttributeError(f'Unknown attribute {name}') AttributeError: Unknown attribute to

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[csukuangfj]

Initially, there was only to_, no to. Pay attention to the trailing underscore.