Update app.py

app.py

@@ -1,7 +1,3 @@
-# PyTorch 2.8 (temporary hack)
-import os
-os.system('pip install --upgrade --pre --extra-index-url https://download.pytorch.org/whl/nightly/cu126 "torch<2.9" spaces')
-
 import os
 import spaces
 import random
@@ -246,11 +242,6 @@ MAX_SEED = 1e7
 title = "## AI 3D Model Generator"
 description = "Our Image-to-3D Generator transforms your 2D photos into stunning, AI generated 3D models—ready for games, AR/VR, or 3D printing. Our AI 3D Modeling is based on Hunyuan 2.0. Check more in [imgto3d.ai](https://www.imgto3d.ai)."
 
-# 顶层增加哨兵 GPU 函数
-@spaces.GPU(duration=1)
-def _gpu_check():
-    return "GPU ready"
-
 with gr.Blocks().queue() as demo:
     gr.Markdown(title)
     gr.Markdown(description)
@@ -312,4 +303,6 @@ if __name__ == "__main__":
 
     app = gr.mount_gradio_app(app, demo, path="/")
     # demo.launch()
+    from spaces import zero
+    zero.startup()
     uvicorn.run(app, host=args.host, port=args.port)