Update app.py

app.py

@@ -33,7 +33,7 @@ def _ensure_repo():
 _ensure_repo()
 
 
-@spaces.GPU(duration=6)  # fp8 + up to 48 steps at high res can run long; raise further if you see timeouts
+@spaces.GPU(duration=8)  # fp8 + up to 48 steps at high res can run long; raise further if you see timeouts
 def generate(prompt, height, width, sampler_preset):
     with tempfile.TemporaryDirectory() as tmp:
         out_path = Path(tmp) / "out.png"