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fix(build): force transformers torch<2.6 mask path and bundle spacy_pkuseg

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- patch transformers.masking_utils to set _is_torch_greater_or_equal_than_2_6
  = False, forcing sdpa_mask_older_torch and avoiding the vmap .item() crash
  that breaks Qwen CustomVoice generation (our torch._dynamo stub can't
  reproduce TransformGetItemToIndex's graph transform).
- add PyInstaller hook to bundle transformers.masking_utils .py source so the
  runtime finder can source-patch it.
- --collect-all spacy_pkuseg so Chatterbox Multilingual can load its Chinese
  segmenter (dicts/default.pkl + native .so extensions).
- add per-finder install diagnostics + _HOOK_VERSION marker to make future
  bundle-only regressions easier to triage.

Co-Authored-By: Claude Opus 4.7 (1M context) <[email protected]>
This commit is contained in:
James Pine
2026-04-17 16:47:44 -07:00
co-authored by Claude Opus 4.7
parent 2076114972
commit 6548c7e65a
4 changed files with 139 additions and 7 deletions
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backend/build_binary.py
+5
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@@ -135,6 +135,11 @@ def build_server(cuda=False):
"backend.backends.chatterbox_backend",
"--hidden-import",
"backend.backends.chatterbox_turbo_backend",
# chatterbox multilingual uses spacy_pkuseg for Chinese word
# segmentation, which ships pickled dict files (dicts/default.pkl)
# and native .so extensions that --hidden-import alone won't bundle.
"--collect-all",
"spacy_pkuseg",
"--hidden-import",
"backend.backends.luxtts_backend",
"--hidden-import",