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Fix UniPCMultistepScheduler.set_timesteps with list sigmas when use_flow_sigmas=True - #15214
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marlonferreira1800-hue wants to merge 1 commit into
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marlonferreira1800-hue wants to merge 1 commit into
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Describe the problem
UniPCMultistepScheduler.set_timestepsdocumentssigmasaslist[float], but whenuse_flow_sigmas=Truepassing a plain Python list fails with:flow_shift * sigmas->TypeError: can't multiply sequence by non-int of type 'float'use_dynamic_shifting=True,1 / sigmas->TypeError: unsupported operand type(s) for /: 'int' and 'list'Other schedulers (like
FlowMatchEulerDiscreteSchedulerandEulerDiscreteScheduler) convertsigmasvianp.array(sigmas).astype(np.float32)when provided.Solution
Convert
sigmastonp.array(sigmas).astype(np.float32)inset_timestepswhensigmas is not None.Fixes #15207