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[fork demo — not for upstream] Fix EulerLite set_timesteps torch.flip #14

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[fork demo — not for upstream] Fix EulerLite set_timesteps torch.flip #14

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3 changes: 2 additions & 1 deletion src/diffusers/schedulers/scheduling_euler_lite.py
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Expand Up @@ -36,7 +36,8 @@ def set_timesteps(self, num_inference_steps: int, device: Union[str, torch.devic
"""
self.num_inference_steps = num_inference_steps
step = self.config.num_train_timesteps // num_inference_steps
timesteps = (torch.arange(0, num_inference_steps) * step).round()[::-1].clone()
timesteps = (torch.arange(0, num_inference_steps) * step).round().long()
timesteps = torch.flip(timesteps, dims=[0]) # torch has no [::-1]
self.timesteps = timesteps.to(device) if device is not None else timesteps

def step(
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