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ValueError: decoder_start_token_id or bos_token_id has to be defined for encoder-decoder generation, cant get Chronos to run today #76

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emitby opened this issue May 18, 2024 · 3 comments
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ValueError: decoder_start_token_id or bos_token_id has to be defined for encoder-decoder generation, cant get Chronos to run today #76

emitby opened this issue May 18, 2024 · 3 comments

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@emitby
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emitby commented May 18, 2024

Yesterday Chronos was working great, today for some reason its throwing this error, even with the sample code with the airline passenger data:

ValueError: decoder_start_token_id or bos_token_id has to be defined for encoder-decoder generation

Chronos is throwing the same error for both AWS Sagemaker in Jupyter Lab and also ML-Azure, so the error seems to be platform independent.

thanks,
@lostella
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Hi @emitby, thanks for opening the issue. This seems a problem with the recent transformers 4.41. Solution is to downgrade to 4.40 for now, while we look into this deeper.

@lostella lostella mentioned this issue May 18, 2024
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lostella added a commit that referenced this issue May 18, 2024
@lostella
Cap transformers <4.41 (#77)
55166d3 
*Issue #, if available:* #76

*Description of changes:* transformers 4.41 broke something for us, we
need to look into it deeper


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@lostella
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@emitby #77 fixed this. On a fresh environment, the README instructions will now work. On existing environments, one should ensure to have transformers<4.41 (e.g. pip install transformers<4.41).

@abdulfatir
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Opened an issue in transformers: huggingface/transformers#30892

@abdulfatir abdulfatir mentioned this issue Jun 27, 2024
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@lostella @abdulfatir @emitby