t_alpha_to_one=False to make the last step use step 0 for the previous alpha product like in Stable
Diffusion.    UniPCMultistepScheduler is a training-free framework designed for the fast sampling of diffusion models. This model inherits from SchedulerMixin and ConfigMixin. Check the superclass documentation for the generic
methods the library implements for all schedulers such as loading and saving.  convert_model_output  < source > ( model_o