Wan2.1 result is black, when using --use-sage-attention and setting weight_dtype to fp8_e4m3fn.
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Description
When using --use-sage-attention and setting weight_dtype to fp8_e4m3fn, the result is black,
Using --use-sage-attention, --force-upcast-attention and setting weight_dtype to fp8_e4m3fn, the result is still black.
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