Import spaces before torch (ZeroGPU init order requirement)

app.py

@@ -18,6 +18,16 @@ import os
 import sys
 import subprocess
 
+# ZeroGPU requirement: `spaces` must be imported BEFORE any CUDA-initializing
+# package (torch, etc.). Importing torch first and then spaces raises
+# "CUDA has been initialized before importing the `spaces` package."
+# This is the first import that touches CUDA indirectly, so do it up front.
+# Guarded with try/except so local dev (where `spaces` isn't installed) works.
+try:
+    import spaces  # noqa: F401  (must be imported before torch on ZeroGPU)
+except ImportError:
+    pass
+
 
 def _ensure_featup():
     try: