Create README.md
# [Codecov](https://codecov.io/gh/huggingface/transformers/pull/4132?src=pr&el=h1) Report
> Merging [#4132](https://codecov.io/gh/huggingface/transformers/pull/4132?src=pr&el=desc) into [master](https://codecov.io/gh/huggingface/transformers/commit/6af3306a1da0322f58861b1fbb62ce5223d97b8a&el=desc) will **increase** coverage by `0.00%`.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/huggingface/transformers/pull/4132/graphs/tree.svg?width=650&height=150&src=pr&token=9qOlN6Hb1c)](https://codecov.io/gh/huggingface/transformers/pull/4132?src=pr&el=tree)

```diff
@@           Coverage Diff           @@
##           master    #4132   +/-   ##
=======================================
  Coverage   78.84%   78.84%           
=======================================
  Files         114      114           
  Lines       18689    18689           
=======================================
+ Hits        14735    14736    +1     
+ Misses       3954     3953    -1     
```


| [Impacted Files](https://codecov.io/gh/huggingface/transformers/pull/4132?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/transformers/file\_utils.py](https://codecov.io/gh/huggingface/transformers/pull/4132/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9maWxlX3V0aWxzLnB5) | `73.55% <0.00%> (+0.41%)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/huggingface/transformers/pull/4132?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/huggingface/transformers/pull/4132?src=pr&el=footer). Last update [6af3306...d6aedbe](https://codecov.io/gh/huggingface/transformers/pull/4132?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
<|||||>Thanks, @savasy! Can you add code fences around the code blocks?