Upgrade transformers to 5.5.3 and refactor hf_transformers_utils into subpackage#21569

Merged

Kangyan-Zhou merged 70 commits intosgl-project:mainfrom

JustinTong0323:upgrade/transformers-5.4.0

Apr 16, 2026

Commits on Mar 27, 2026

Commits on Mar 28, 2026

Patch LlamaFlashAttention2 at import time for remote code compat
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Add addict dependency to pyproject_xpu.toml for DeepSeek-OCR
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Patch BaseImageProcessor.__call__ for remote code compat
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Fix lint and TokenizersBackend fallback for transformers 5.4.0
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Fix lint and improve TokenizersBackend fallback
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Refactor transformers 5.4.0 compat patches into dedicated module
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Extract helpers: _is_mistral_model, _ensure_sub_configs
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Split hf_transformers_utils.py into hf_transformers/ subpackage
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Fix PR review findings: missing re-exports, version bug, logging
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Update rope_parameters TODO with upstream fix reference (#45049)
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Move mistral_utils.py into hf_transformers/ subpackage
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Move Mistral helpers into mistral_utils.py for cohesion
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Remove unnecessary comments from hf_transformers package
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Refactor internals of hf_transformers package files
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Improve error handling and fix docstring typo in hf_transformers
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Fix lint: black formatting in mistral_utils.py and tokenizer.py
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Fix: don't escalate trust_remote_code in TokenizersBackend retry
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Simplify TokenizersBackend retry to single use_fast=False attempt
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Absorb PR #21586: patch is_base_mistral in CI to avoid HF 429 rate limiting
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Merge remote-tracking branch 'upstream/main' into upgrade/transformers-5.4.0
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Fix PR review findings: error handling, dead code, and code quality
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Revert TokenizersBackend raise to warning for CI compatibility
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Commits on Mar 31, 2026

Commits on Apr 1, 2026

Commits on Apr 2, 2026

Commits on Apr 6, 2026

Merge branch 'main' into upgrade/transformers-5.4.0
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Commits on Apr 8, 2026

Commits on Apr 11, 2026

Commits on Apr 14, 2026

Commits on Apr 15, 2026