added jinja2 extension class to enable Phi4-reasoning loading #3564
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mzegla
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Aug 8, 2025
mzegla
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Aug 11, 2025
dtrawins
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Aug 13, 2025
przepeck
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Aug 21, 2025
* added jinja2 extension class to enable Phi4-reasoning loading * Added comment about the source of the new class
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🛠 Summary
CVS-171239
Phi4-reasoning-int4-ov model hasn't been loading correctly because of custom tag {% generation %} in chat_template. I copied jinja2 extension class from HuggingFace transformers package (https://github.com/huggingface/transformers/blob/7188e2e28c6d663284634732564143b820a03f8b/src/transformers/utils/chat_template_utils.py#L398) to enable loading of this model.
🧪 Checklist
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