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improve add_tokens docstring (#18687)

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* improve add_tokens documentation

* format
This commit is contained in:
SaulLu
2022-08-23 13:23:51 +02:00
committed by GitHub
parent 891704b3c2
commit 438698085c
1 changed files with 5 additions and 3 deletions
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8
src/transformers/tokenization_utils_base.py
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@@ -915,10 +915,12 @@ class SpecialTokensMixin:
) -> int: ) -> int:
""" """
Add a list of new tokens to the tokenizer class. If the new tokens are not in the vocabulary, they are added to Add a list of new tokens to the tokenizer class. If the new tokens are not in the vocabulary, they are added to
it with indices starting from length of the current vocabulary. it with indices starting from length of the current vocabulary and and will be isolated before the tokenization
algorithm is applied. Added tokens and tokens from the vocabulary of the tokenization algorithm are therefore
not treated in the same way.
Note,None When adding new tokens to the vocabulary, you should make sure to also resize the token embedding Note, when adding new tokens to the vocabulary, you should make sure to also resize the token embedding matrix
matrix of the model so that its embedding matrix matches the tokenizer. of the model so that its embedding matrix matches the tokenizer.
In order to do that, please use the [`~PreTrainedModel.resize_token_embeddings`] method. In order to do that, please use the [`~PreTrainedModel.resize_token_embeddings`] method.