show cuda version

app.py

@@ -4,6 +4,9 @@ import os, sys, importlib.util, re
 import gradio as gr
 from PIL import Image
 import torch
+print(f"CUDA available: {torch.cuda.is_available()}")
+print(f"CUDA version: {torch.version.cuda}")
+print(f"GPU device: {torch.cuda.get_device_name(0)}")
 
 # ——— Monkey-patch mmdet to remove its mmcv-version assertion ———
 spec = importlib.util.find_spec('mmdet')