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Fixed bug: Uncontrolled recursive calls that caused an infinite loop when loading certain pipelines containing Transformer2DModel #11923

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Merged
merged 6 commits into from
Jul 16, 2025
Merged

Fixed bug: Uncontrolled recursive calls that caused an infinite loop when loading certain pipelines containing Transformer2DModel #11923

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0a2338e
fix a bug about loop call
lengmo1996 Jul 14, 2025
bab876f
fix a bug about loop call
lengmo1996 Jul 14, 2025
0d9a762
Merge branch 'main' into lengmo1996-patch-1
lengmo1996 Jul 14, 2025
1553550
ruff format
lengmo1996 Jul 14, 2025
7595617
Merge branch 'main' into lengmo1996-patch-1
lengmo1996 Jul 15, 2025
5c739d5
Merge branch 'main' into lengmo1996-patch-1
asomoza Jul 15, 2025
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5 changes: 4 additions & 1 deletion src/diffusers/configuration_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -763,4 +763,7 @@ def from_config(cls, config: Union[FrozenDict, Dict[str, Any]] = None, return_un
# resolve remapping
remapped_class = _fetch_remapped_cls_from_config(config, cls)

return remapped_class.from_config(config, return_unused_kwargs, **kwargs)
if remapped_class is cls:
return super(LegacyConfigMixin,remapped_class).from_config(config, return_unused_kwargs, **kwargs)
else:
return remapped_class.from_config(config, return_unused_kwargs, **kwargs)
5 changes: 4 additions & 1 deletion src/diffusers/models/modeling_utils.py
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Expand Up @@ -1880,4 +1880,7 @@ def from_pretrained(cls, pretrained_model_name_or_path: Optional[Union[str, os.P
# resolve remapping
remapped_class = _fetch_remapped_cls_from_config(config, cls)

return remapped_class.from_pretrained(pretrained_model_name_or_path, **kwargs_copy)
if remapped_class is cls:
return super(LegacyModelMixin,remapped_class).from_pretrained(pretrained_model_name_or_path, **kwargs_copy)
else:
return remapped_class.from_pretrained(pretrained_model_name_or_path, **kwargs_copy)
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