update app.py

app.py

@@ -237,7 +237,8 @@ groundingdino_model = load_model_hf(config_file, ckpt_repo_id, ckpt_filenmae)
 
 # initialize SAM
 logger.info(f"initialize SAM model...")
-sam_predictor = SamPredictor(build_sam(checkpoint=sam_checkpoint))
+sam_model = build_sam(checkpoint=sam_checkpoint).to(device)
+sam_predictor = SamPredictor(sam_model)
 sam_mask_generator = SamAutomaticMaskGenerator(sam_predictor)
 
 # initialize stable-diffusion-inpainting