Update app.py

app.py

@@ -51,12 +51,11 @@ ckpt = "sdxl_lightning_4step_unet.safetensors"  # Use the correct ckpt for your
 
 # Load model.
 unet = UNet2DConditionModel.from_config(base, subfolder="unet").to(device)
-unet.load_state_dict(load_file(hf_hub_download(repo, ckpt), device=device))
+unet.load_state_dict(load_file(hf_hub_download(repo, ckpt)))
 pipe = StableDiffusionXLPipeline.from_pretrained(base, unet=unet).to(device)
 pipe.scheduler = EulerDiscreteScheduler.from_config(pipe.scheduler.config, timestep_spacing="trailing")
 
 
-
 # Load resadapter
 pipe.load_lora_weights(
     hf_hub_download(