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Handle the None case for the model_dtype (Fixes GGUF + Lora crash) #11193

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Handle the None case for the model_dtype (Fixes GGUF + Lora crash) #11193

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2 changes: 2 additions & 0 deletions comfy/model_patcher.py
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Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,8 @@ def low_vram_patch_estimate_vram(model, key):
if weight is None:
return 0
model_dtype = getattr(model, "manual_cast_dtype", torch.float32)
if model_dtype is None:
model_dtype = torch.float32
return weight.numel() * model_dtype.itemsize * LOWVRAM_PATCH_ESTIMATE_MATH_FACTOR

def get_key_weight(model, key):
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