Update app.py

app.py

@@ -12,7 +12,7 @@ os.system("python3 setup.py develop --no_cuda_ext")
 def inference(image, task):
     if not os.path.exists('temp'):
       os.system('mkdir temp')
-    img.save("temp/image.png", "PNG")
+    image.save("temp/image.png", "PNG")
     
     if task == 'Denoising':
       os.system("python basicsr/demo.py -opt options/test/SIDD/NAFNet-width64.yml --input_path ./temp/image.png --output_path ./temp/image.png")