Update app.py

app.py

@@ -1,7 +1,10 @@
 # ---------- Gradio CDN fix ----------
 import os
 os.environ.setdefault("GRADIO_USE_CDN", "true")
-
+@spaces.GPU(duration=30)
+def _gpu_probe() -> str:
+    # Dummy function to satisfy ZeroGPU startup check. We never call it.
+    return "ok"
 import sys
 import subprocess
 from pathlib import Path
@@ -15,10 +18,7 @@ from huggingface_hub import hf_hub_download
 # >>> NEW: import spaces unconditionally and define a probe so ZeroGPU sees a @spaces.GPU fn at import time
 import spaces
 
-@spaces.GPU(duration=30)
-def _gpu_probe() -> str:
-    # Dummy function to satisfy ZeroGPU startup check. We never call it.
-    return "ok"
+
 
 # Detect ZeroGPU (used only to decide whether to call GPU code)
 USE_ZEROGPU = os.getenv("SPACE_RUNTIME", "").lower() == "zerogpu"