Import spaces before torch-related modules and set CUDA env early (ZeroGPU fix)

app.py

@@ -4,11 +4,15 @@ import logging
 from typing import Tuple, Dict
 
 import gradio as gr
+from spaces import GPU
 from huggingface_hub import snapshot_download
 from PIL import Image
 
+# Configure environment BEFORE importing any torch-dependent modules
+os.environ.setdefault("CUDA_VISIBLE_DEVICES", "")
+os.environ.setdefault("TORCH_CUDA_ARCH_LIST", "8.0")
+
 from runners.simple_runner import SimpleRunner
-from spaces import GPU
 
 
 # -----------------------------------------------------------------------------
@@ -21,9 +25,6 @@ logger = logging.getLogger("sfe-app")
 # -----------------------------------------------------------------------------
 # Model bootstrap (load once and reuse)
 # -----------------------------------------------------------------------------
-# Force CPU on Spaces and avoid CUDA arch auto-detection errors during JIT
-os.environ.setdefault("CUDA_VISIBLE_DEVICES", "")
-os.environ.setdefault("TORCH_CUDA_ARCH_LIST", "8.0")
 RUNNER: SimpleRunner | None = None