Fix Runtime error

gradio_app.py

@@ -34,6 +34,7 @@ MAX_SEED = 1e7
 if True:
     import os
     import spaces
+    import spaces.zero
     import subprocess
     import sys
     import shlex
@@ -765,3 +766,4 @@ if __name__ == '__main__':
     demo = build_app()
     app = gr.mount_gradio_app(app, demo, path="/")
     uvicorn.run(app, host=args.host, port=args.port)
+    spaces.zero.startup()