Bump sentence-transformers from 2.2.2 to 3.2.1

[dependabot]

Bumps sentence-transformers from 2.2.2 to 3.2.1.

Release notes

Sourced from sentence-transformers's releases.

v3.2.1 - Patch CLIP loading, small ONNX fix, compatibility with other libraries

This patch release fixes some small bugs, such as related to loading CLIP models, automatic model card generation issues, and ensuring compatibility with third party libraries.

Install this version with

# Training + Inference
pip install sentence-transformers[train]==3.2.1
Inference only, use one of:
pip install sentence-transformers==3.2.1
pip install sentence-transformers[onnx-gpu]==3.2.1
pip install sentence-transformers[onnx]==3.2.1
pip install sentence-transformers[openvino]==3.2.1

Fixing Loading non-Transformer models

In v3.2.0, a non-Transformer based model (e.g. CLIP) would not load correctly if the model was saved in the root of the model repository/directory. This has been resolved in #3007.

Throw error if StaticEmbedding-based model is finetuned with incompatible losses

The following losses are not compatible with StaticEmbedding-based models:

• CachedGISTEmbedLoss
• CachedMultipleNegativesRankingLoss
• CachedMultipleNegativesSymmetricRankingLoss
• DenoisingAutoEncoderLoss
• GISTEmbedLoss

An error is now thrown when one of these are used with a StaticEmbedding-based model. I recommend using MultipleNegativesRankingLoss to finetune these models, e.g. as in https://huggingface.co/tomaarsen/static-bert-uncased-gooaq. Note: to get good performance, you must use much higher learning rates than otherwise. In my experiments, 2e-1 worked well.

Patch ONNX model when the model uses output_hidden_states

For example, this script used to fail, but passes now:

from sentence_transformers import SentenceTransformer
model = SentenceTransformer(
"distiluse-base-multilingual-cased",
backend="onnx",
model_kwargs={"provider": "CPUExecutionProvider"},
)
sentences = ["This is an example sentence", "Each sentence is converted"]
embeddings = model.encode(sentences)
print(embeddings.shape)

All changes

• Bump optimum version by @​echarlaix in UKPLab/sentence-transformers#2984
• [docs] Update the training snippets for some losses that should use the v3 Trainer by @​tomaarsen in UKPLab/sentence-transformers#2987
• [enh] Throw error if StaticEmbedding-based model is trained with incompatible loss by @​tomaarsen in UKPLab/sentence-transformers#2990

... (truncated)

Commits

• dd76c03 Merge branch 'master' into v3.2-release; version to 3.2.1
• f286d9f [fix] Prevent IndexError if output_hidden_states & ONNX (#3008)
• a028b58 [warn] Throw a warning if compute_metrics is set, as it's not used (#3002)
• dc79f13 Fix cache_dir issue with loading CLIPModel (#3007)
• 29535eb [fix] Added model2vec import compatible with current and newer version (#2992)
• 0e59af6 [model cards] Prevent crash on generating widgets if dataset column is empt...
• 5e1a7a4 [enh] Add support for large_string in model card create (#2999)
• 2fa3ed4 Fix copy-paste error in a comment
• 1802076 [fix] Fix semantic_search_usearch with 'binary' (#2989)
• 72d5649 [enh] Throw error if StaticEmbedding-based model is trained with incompatib...
• Additional commits viewable in compare view

Most Recent Ignore Conditions Applied to This Pull Request

Dependency Name	Ignore Conditions
sentence-transformers	[>= 3.3.dev0, < 3.4]

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[coveralls]

coverage: 52.441% (-0.09%) from 52.527%
when pulling 627497f on dependabot/pip/sentence-transformers-3.2.1
into f925589 on dev.

[bact]

@dependabot ignore this major version

[dependabot]

OK, I won't notify you about version 3.x.x again, unless you re-open this PR.