Sebastian Krüger 8c4eb8c3f1 fix: pin transformers to 4.49.0 for DiffRhythm compatibility ...

Resolves tensor dimension mismatch error in rotary position embeddings.
DiffRhythm requires transformers 4.49.0 - newer versions (4.50+) cause
"The size of tensor a (32) must match the size of tensor b (64)" error
due to transformer block initialization changes.

Updated pivoine_diffrhythm.py documentation to reflect actual root cause
and link to upstream GitHub issues #44 and #48.

References:
- https://github.com/billwuhao/ComfyUI_DiffRhythm/issues/44
- https://github.com/billwuhao/ComfyUI_DiffRhythm/issues/48

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

2025-11-24 18:14:40 +01:00

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