Update app.py

Forgot a thing

app.py

@@ -30,7 +30,7 @@ def genie (Model, Prompt, negative_prompt, height, width, scale, steps, seed, re
             if upscale == "Yes":
                 refiner = DiffusionPipeline.from_pretrained("stabilityai/sd-x2-latent-upscaler", torch_dtype=torch.float16, use_safetensors=True)
                 refiner.enable_xformers_memory_efficient_attention()
-                refiner = upscaler.to(device)
+                refiner = refiner.to(device)
                 torch.cuda.empty_cache()
                 upscaled = refiner(prompt=Prompt, negative_prompt=negative_prompt, image=image, num_inference_steps=15, guidance_scale=0).images[0]
                 torch.cuda.empty_cache()