fix annotation
# [Codecov](https://codecov.io/gh/huggingface/pytorch-transformers/pull/1298?src=pr&el=h1) Report
> Merging [#1298](https://codecov.io/gh/huggingface/pytorch-transformers/pull/1298?src=pr&el=desc) into [master](https://codecov.io/gh/huggingface/pytorch-transformers/commit/9f995b99d4c4067662c3bd4f1274315c0839deeb?src=pr&el=desc) will **not change** coverage.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/huggingface/pytorch-transformers/pull/1298/graphs/tree.svg?width=650&token=9qOlN6Hb1c&height=150&src=pr)](https://codecov.io/gh/huggingface/pytorch-transformers/pull/1298?src=pr&el=tree)

```diff
@@           Coverage Diff           @@
##           master    #1298   +/-   ##
=======================================
  Coverage   80.77%   80.77%           
=======================================
  Files          57       57           
  Lines        8092     8092           
=======================================
  Hits         6536     6536           
  Misses       1556     1556
```


| [Impacted Files](https://codecov.io/gh/huggingface/pytorch-transformers/pull/1298?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pytorch\_transformers/tokenization\_xlnet.py](https://codecov.io/gh/huggingface/pytorch-transformers/pull/1298/diff?src=pr&el=tree#diff-cHl0b3JjaF90cmFuc2Zvcm1lcnMvdG9rZW5pemF0aW9uX3hsbmV0LnB5) | `89.18% <ø> (ø)` | :arrow_up: |

------

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> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/huggingface/pytorch-transformers/pull/1298?src=pr&el=footer). Last update [9f995b9...51decd5](https://codecov.io/gh/huggingface/pytorch-transformers/pull/1298?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
<|||||>Thanks!