Update webcam_gradio_demo.py

webcam_gradio_demo.py

@@ -19,6 +19,7 @@ else:
     device, dtype = detect_device()
     if device != torch.device("cpu"):
         print("Using device:", device)
+        print("Using dtype:", dtype)
         print("If you run into issues, pass the `--cpu` flag to this script.")
         print()