[Model] Add UltravoxModel and UltravoxConfig

[petersalas]

This adds support for the Ultravox speech model and changes tests/entrypoints/openai/test_audio.py to use Ultravox instead of a mocked audio model.

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[github-actions]

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[ywang96]

@petersalas Very exciting!

Is this PR ready for review? Also FYI I'm doing some refactoring in #7530 so please update your PR after that gets merged. Thanks!

[petersalas]

@ywang96 Thanks for the heads up! I updated the PR with the latest changes -- this is ready for review.

[ywang96]

Thanks for the PR and I left first round of review!

I didn't see a correctness test added to this PR, and typically we don't require a correctness test if the model contribution is directly from the model vendor, but I assume you have already tested the implementation.

Finally, could you add example usage under examples directory for both offline and online inference? (feel free to modify openai_vision_api_client.py)

Thank you!

[ywang96]

@petersalas Overall I think this PR is in a good shape! I'll give this PR a go with some manual testing just as a validation as well as leaving @DarkLight1337 with some time in case he wants to take a look too.

Otherwise if everything goes well and all test pass, we should be able to merge this PR this week!

[petersalas]

Amazing, thank you!

[ywang96]

I've run the examples of this model with TP=1 and TP=2 (and it's working really well!) and confirmed test_ultravox.py passed in my dev environment.

Left some final comments, otherwise LGTM! Thank you and fixie.ai for contributing this model to vLLM!

[DarkLight1337]

@ywang96 Let's apply my suggestion in this PR.

[ywang96]

@ywang96 Let's apply my suggestion in this PR.

Actually I don't have access to push changes to this branch...

[ywang96]

@petersalas per discussion above - could you also push a change to line 189 in supported_models.rst to change - Supported Modality(ies) to - Supported Modalities?

[ywang96]

@petersalas Looks like moving the cached tokenizer from multimodal/image.py to multimodal/utils.py broke some VLM test - could you fix it? Thanks!

[2024-08-21T19:45:14Z] E   ImportError: cannot import name 'cached_get_tokenizer' from 'vllm.multimodal.image' (/usr/local/lib/python3.10/dist-packages/vllm/multimodal/image.py)

[petersalas]

Looks like moving the cached tokenizer from multimodal/image.py to multimodal/utils.py broke some VLM test - could you fix it? Thanks!

[2024-08-21T19:45:14Z] E   ImportError: cannot import name 'cached_get_tokenizer' from 'vllm.multimodal.image' (/usr/local/lib/python3.10/dist-packages/vllm/multimodal/image.py)

Fixed, sorry about that!