fix: support torchao >= 0.16.0 by importing renamed CamelCase Config classes#13304
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s-zx wants to merge 1 commit intohuggingface:mainfrom
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fix: support torchao >= 0.16.0 by importing renamed CamelCase Config classes#13304s-zx wants to merge 1 commit intohuggingface:mainfrom
s-zx wants to merge 1 commit intohuggingface:mainfrom
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…classes torchao 0.15.0 deprecated the snake_case quantization functions (int4_weight_only, float8_weight_only, etc.) with a deprecation warning, and 0.16.0 removed them entirely, replacing them with CamelCase Config classes (Int4WeightOnlyConfig, Float8WeightOnlyConfig, etc.). Add a version guard in TorchAoConfig._get_torchao_quant_type_to_method: - torchao >= 0.16.0: import new CamelCase Config classes, aliased to the old snake_case names so the rest of the method remains unchanged - torchao < 0.16.0: keep importing the old snake_case functions as before Fixes huggingface#13286
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What does this PR do?
Fixes
ImportErrorwhen usingTorchAoConfigwith torchao >= 0.16.0.torchao 0.15.0 deprecated the snake_case quantization functions (
int4_weight_only,float8_weight_only, etc.) with deprecation warnings, and 0.16.0 removed them entirely, replacing them with CamelCase Config classes (Int4WeightOnlyConfig,Float8WeightOnlyConfig, etc.).The
TorchAoConfig._get_torchao_quant_type_to_methodmethod was unconditionally importing the old snake_case names, causing:Fix: Add a version guard in
_get_torchao_quant_type_to_method:The aliasing approach keeps the change minimal and self-contained — no other code in the method needs to change.
Fixes #13286