Fixed a bug where the `pipeline.framework` would actually contain a fully qualified model.
Author: Narsil
Pull request: yes

# What does this PR do?

We simply forgot to change the call for this one when this landed:
https://github.com/huggingface/transformers/pull/10888

It's odd that tests didn't catch that. Should we add some ?
(It's a pretty edgy test case, but it does run within the API).

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Fixes # (issue)


## Before submitting
- [ ] This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
- [ ] Did you read the [contributor guideline](https://github.com/huggingface/transformers/blob/master/CONTRIBUTING.md#start-contributing-pull-requests),
      Pull Request section?
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- [ ] Did you write any new necessary tests?


## Who can review?

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Models:

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Library:

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- pipelines: @LysandreJik

Documentation: @sgugger

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- datasets: [different repo](https://github.com/huggingface/datasets)
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