openvinotoolkit / openvino_tokenizers

OpenVINO Tokenizers extension
Apache License 2.0
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Fix Sentencepiece BOS Token Detection #39

Closed apaniukov closed 8 months ago

apaniukov commented 8 months ago

CVS-133826

The sentencepiece model cannot add bos_token when there is no bos_token in the dictionary. In such situations add_eos=True leads to a failed check inside the sentencepiece library. Modify the add_bos_token flag logic to avoid such situations.

There is a regression for camembert-base_slow tokenizer that is not caused by a bug fix. Had to lower the pass rate to not block the fix.