Fix #2941
Reshaped score array to avoid `numpy` ValueError. This should allow the sentiment analyzer pipeline to run.
Uh, I guess it should be `reshape(-1, 1)` instead of `reshape(-1,1)` regarding code quality issues, but I'm not sure whether it's the correct fix.<|||||># [Codecov](https://codecov.io/gh/huggingface/transformers/pull/4109?src=pr&el=h1) Report
> Merging [#4109](https://codecov.io/gh/huggingface/transformers/pull/4109?src=pr&el=desc) into [master](https://codecov.io/gh/huggingface/transformers/commit/d713cfc5ebfb1ed83de1fce55dd7279f9db30672&el=desc) will **not change** coverage.
> The diff coverage is `100.00%`.

[![Impacted file tree graph](https://codecov.io/gh/huggingface/transformers/pull/4109/graphs/tree.svg?width=650&height=150&src=pr&token=9qOlN6Hb1c)](https://codecov.io/gh/huggingface/transformers/pull/4109?src=pr&el=tree)

```diff
@@           Coverage Diff           @@
##           master    #4109   +/-   ##
=======================================
  Coverage   78.84%   78.84%           
=======================================
  Files         114      114           
  Lines       18688    18688           
=======================================
  Hits        14735    14735           
  Misses       3953     3953           
```


| [Impacted Files](https://codecov.io/gh/huggingface/transformers/pull/4109?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/transformers/pipelines.py](https://codecov.io/gh/huggingface/transformers/pull/4109/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9waXBlbGluZXMucHk=) | `74.94% <100.00%> (ø)` | |
| [src/transformers/file\_utils.py](https://codecov.io/gh/huggingface/transformers/pull/4109/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9maWxlX3V0aWxzLnB5) | `73.14% <0.00%> (-0.42%)` | :arrow_down: |
| [src/transformers/modeling\_tf\_utils.py](https://codecov.io/gh/huggingface/transformers/pull/4109/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9tb2RlbGluZ190Zl91dGlscy5weQ==) | `92.77% <0.00%> (+0.16%)` | :arrow_up: |

------

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> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/huggingface/transformers/pull/4109?src=pr&el=footer). Last update [d713cfc...e12b3d5](https://codecov.io/gh/huggingface/transformers/pull/4109?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
