* fix: avoid PerceptionEncoder ImportError blocking trust_remote_code model loads
* [pre-commit.ci] auto fixes from pre-commit.com hooks
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* Update config class retrieval in _utils.py
Refactor config class retrieval logic to use model mapping.
* resolve_model_class: restore _extra_content fallback
The previous fallback iterated mapping.items(), which transformers'
_LazyAutoMapping defines as _model_mapping entries + _extra_content
entries. The PR's per-key loop covers only _model_mapping, so
subclasses of configs registered via AutoModel.register(cfg, model)
silently resolve to None. Add a safe isinstance pass over
_extra_content (no lazy loads, no crash risk) before giving up.
* Add tests for resolve_model_class fallback
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---------
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Daniel Han <danielhanchen@gmail.com>
Co-authored-by: Lee Jackson <130007945+Imagineer99@users.noreply.github.com>
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