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[BufFix] Fix HunyuanVL XD-RoPE config handling during conversion. #25514

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Merged
ngxson merged 1 commit into from
Jul 21, 2026
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[BufFix] Fix HunyuanVL XD-RoPE config handling during conversion. #25514

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6 changes: 6 additions & 0 deletions conversion/hunyuan.py
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Original file line number Diff line number Diff line change
Expand Up @@ -337,6 +337,12 @@ class HunyuanVLTextModel(HunYuanModel):

def __init__(self, dir_model: Path, *args, **kwargs):
super().__init__(dir_model, *args, **kwargs)
# transformers 5.13.0 encodes HunyuanVL XD-RoPE as dynamic + mrope_section.
# Normalize it to avoid the HunYuan dynamic-RoPE context assertion.
if self.rope_parameters.get("rope_type") == "dynamic" and "mrope_section" in self.rope_parameters:
self.rope_parameters["rope_type"] = "xdrope"
self.rope_parameters["type"] = "xdrope"
self.rope_parameters["xdrope_section"] = list(self.rope_parameters["mrope_section"])

def set_gguf_parameters(self):
super().set_gguf_parameters()
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