chore: fixes for ruff 0.16.0 on the v2.31.x branch

[anakin87]

Related Issues

• similar to fix: ruff 0.16.0 changes #12158

Proposed Changes:

• fixes for ruff 0.16.0

How did you test it?

Notes for the reviewer

Checklist

• I have read the contributors guidelines and the code of conduct.
• I have updated the related issue with new insights and changes.
• I have added unit tests and updated the docstrings.
• I've used one of the conventional commit types for my PR title: fix:, feat:, build:, chore:, ci:, docs:, style:, refactor:, perf:, test: and added ! in case the PR includes breaking changes.
• I have documented my code.
• I have added a release note file, following the contributors guidelines.
• I have run pre-commit hooks and fixed any issue.

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
haystack-docs	Ignored		Aug 5, 2026 8:25am

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Coverage report

Click to see where and how coverage changed

File	Statements	Missing	Coverage	Coverage (new stmts)	Lines missing
haystack/components/embedders
azure_document_embedder.py
openai_document_embedder.py
sentence_transformers_document_embedder.py
sentence_transformers_text_embedder.py
haystack/components/rankers
sentence_transformers_diversity.py
transformers_similarity.py
Project Total

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