Specify PyTorch versions
Specify that the examples require a different PyTorch version than the base library.
# [Codecov](https://codecov.io/gh/huggingface/transformers/pull/4710?src=pr&el=h1) Report
> Merging [#4710](https://codecov.io/gh/huggingface/transformers/pull/4710?src=pr&el=desc) into [master](https://codecov.io/gh/huggingface/transformers/commit/6449c494d0f40f0b70442f3da9e61f042ff807a8&el=desc) will **increase** coverage by `0.05%`.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/huggingface/transformers/pull/4710/graphs/tree.svg?width=650&height=150&src=pr&token=9qOlN6Hb1c)](https://codecov.io/gh/huggingface/transformers/pull/4710?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master    #4710      +/-   ##
==========================================
+ Coverage   77.32%   77.38%   +0.05%     
==========================================
  Files         128      128              
  Lines       21071    21071              
==========================================
+ Hits        16294    16305      +11     
+ Misses       4777     4766      -11     
```


| [Impacted Files](https://codecov.io/gh/huggingface/transformers/pull/4710?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/transformers/file\_utils.py](https://codecov.io/gh/huggingface/transformers/pull/4710/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9maWxlX3V0aWxzLnB5) | `73.85% <0.00%> (+0.41%)` | :arrow_up: |
| [src/transformers/modeling\_tf\_utils.py](https://codecov.io/gh/huggingface/transformers/pull/4710/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9tb2RlbGluZ190Zl91dGlscy5weQ==) | `88.50% <0.00%> (+1.64%)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/huggingface/transformers/pull/4710?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/4710?src=pr&el=footer). Last update [6449c49...6081929](https://codecov.io/gh/huggingface/transformers/pull/4710?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
