fix gpu error

app.py

@@ -107,7 +107,7 @@ def process_image(args, inpainting_pipeline, net):
                                                     num_inference_steps=args.num_steps).images[0]
     clothed_image_from_pipeline = remove(clothed_image_from_pipeline)
     clothed_image_from_pipeline = change_bg_color(clothed_image_from_pipeline, "WHITE")
-    return clothed_image_from_pipeline.convert("RGB"). mask_PIL
+    return clothed_image_from_pipeline.convert("RGB"), mask_PIL
 
 net = load_u2net()
 inpainting_pipeline = load_inpainting_pipeline()