unconditional condition
unconditional_condition: A pytorch tensor. The condition for the unconditional sampling.
Only used for
classifier-free guidance
type.
https://github.com/AUTOMATIC1111/stable-diffusion-webui/blob/03a80f198e8cda66cb6206cb3ae505d66d9eed9d/modules/models/diffusion/uni_pc/uni_pc.py#L269-L271