fix

app.py

@@ -71,7 +71,7 @@ def segmentation(img):
 def upscale(image,prompt):
     print("upscale")
 
-    image = Image.thumbnail((512, 512))
+    image = image.thumbnail((512, 512))
 
     pipeline = DiffusionPipeline.from_pretrained("stabilityai/stable-diffusion-x4-upscaler")
     # pipeline = StableDiffusionLatentUpscalePipeline.from_pretrained("stabilityai/sd-x2-latent-upscaler", torch_dtype=torch.float16).to('cuda')