Update app.py

app.py

@@ -63,10 +63,8 @@ async def gen(prompt, basemodel, width, height, scales, steps, seed, upscale_fac
             upscale_image.save(upscale_image_path, format="JPEG")
         except Exception as e:
             print(f"Error al guardar la imagen escalada: {e}")
-            return [image_path, image_path]
+            return [image_path, None]  
         return [image_path, upscale_image_path]
-    else:
-        return [image_path, image_path]
 
 css = """
 #col-container{ margin: 0 auto; max-width: 1024px;}