Create README.md
# [Codecov](https://codecov.io/gh/huggingface/transformers/pull/6346?src=pr&el=h1) Report
> Merging [#6346](https://codecov.io/gh/huggingface/transformers/pull/6346?src=pr&el=desc) into [master](https://codecov.io/gh/huggingface/transformers/commit/9f57e39f7165fa8bd6ac911852221a76d4b79ebe&el=desc) will **decrease** coverage by `0.18%`.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/huggingface/transformers/pull/6346/graphs/tree.svg?width=650&height=150&src=pr&token=9qOlN6Hb1c)](https://codecov.io/gh/huggingface/transformers/pull/6346?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master    #6346      +/-   ##
==========================================
- Coverage   79.79%   79.61%   -0.19%     
==========================================
  Files         148      148              
  Lines       27196    27196              
==========================================
- Hits        21701    21652      -49     
- Misses       5495     5544      +49     
```


| [Impacted Files](https://codecov.io/gh/huggingface/transformers/pull/6346?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/transformers/tokenization\_marian.py](https://codecov.io/gh/huggingface/transformers/pull/6346/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy90b2tlbml6YXRpb25fbWFyaWFuLnB5) | `66.95% <0.00%> (-25.22%)` | :arrow_down: |
| [src/transformers/tokenization\_xlnet.py](https://codecov.io/gh/huggingface/transformers/pull/6346/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy90b2tlbml6YXRpb25feGxuZXQucHk=) | `66.66% <0.00%> (-23.43%)` | :arrow_down: |
| [src/transformers/generation\_tf\_utils.py](https://codecov.io/gh/huggingface/transformers/pull/6346/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9nZW5lcmF0aW9uX3RmX3V0aWxzLnB5) | `86.71% <0.00%> (+0.25%)` | :arrow_up: |
| [src/transformers/tokenization\_dpr.py](https://codecov.io/gh/huggingface/transformers/pull/6346/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy90b2tlbml6YXRpb25fZHByLnB5) | `57.65% <0.00%> (+4.50%)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/huggingface/transformers/pull/6346?src=pr&el=continue).
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> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/huggingface/transformers/pull/6346?src=pr&el=footer). Last update [9f57e39...9591bf9](https://codecov.io/gh/huggingface/transformers/pull/6346?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
