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[blenderbot] regex fix (#8282)

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Fixing:

```
src/transformers/tokenization_blenderbot.py:163: DeprecationWarning: invalid escape sequence \s
    token = re.sub("\s{2,}", " ", token)
```
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Stas Bekman 2020-11-04 06:02:28 -08:00 committed by GitHub
parent 29b536a73a
commit 7a7e2c2606
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1 changed files with 1 additions and 1 deletions
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src/transformers/tokenization_blenderbot.py
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@ -160,7 +160,7 @@ class BlenderbotSmallTokenizer(PreTrainedTokenizer):
return self.cache[token]
token = re.sub("([.,!?()])", r" \1", token)
token = re.sub("(')", r" \1 ", token)
token = re.sub("\s{2,}", " ", token)
token = re.sub(r"\s{2,}", " ", token)
if "\n" in token:
token = token.replace("\n", " __newln__")