update timeout

app_gradio.py

@@ -319,8 +319,9 @@ generation_system = GenerationSystem(ckpt_path=ckpt_path, device=device, offload
 print("Model loaded successfully!")
 
 
-# GPU-decorated generation function with 15-second budget
-@GPU(duration=15)
+# GPU-decorated generation function with 60-second budget
+# (necessary fro the initialization and loading of everything)
+@GPU(duration=60)
 def generate_scene(
     image_prompt,
     text_prompt,