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model_patcher: guard against none model_dtype (#12410)
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Handle the case where the _model_dtype exists but is none with the
intended fallback.
This commit is contained in:
rattus 2026-02-11 11:54:02 -08:00 committed by GitHub
parent 2a4328d639
commit 3fe61cedda
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1 changed files with 2 additions and 2 deletions
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comfy/model_patcher.py
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@ -1525,7 +1525,7 @@ class ModelPatcherDynamic(ModelPatcher):
setattr(m, param_key + "_function", weight_function)
geometry = weight
if not isinstance(weight, QuantizedTensor):
model_dtype = getattr(m, param_key + "_comfy_model_dtype", weight.dtype)
model_dtype = getattr(m, param_key + "_comfy_model_dtype", None) or weight.dtype
weight._model_dtype = model_dtype
geometry = comfy.memory_management.TensorGeometry(shape=weight.shape, dtype=model_dtype)
return comfy.memory_management.vram_aligned_size(geometry)
@ -1551,7 +1551,7 @@ class ModelPatcherDynamic(ModelPatcher):
weight.seed_key = key
set_dirty(weight, dirty)
geometry = weight
model_dtype = getattr(m, param + "_comfy_model_dtype", weight.dtype)
model_dtype = getattr(m, param + "_comfy_model_dtype", None) or weight.dtype
geometry = comfy.memory_management.TensorGeometry(shape=weight.shape, dtype=model_dtype)
weight_size = geometry.numel() * geometry.element_size()
if vbar is not None and not hasattr(weight, "_v"):