Update app.py

app.py

@@ -125,7 +125,7 @@ def build_demo_classes_and_metadata(vocab, label_list):
     demo_classes = demo_thing_classes + demo_stuff_classes
     return demo_classes, demo_metadata
 
-@spaces.GPU
+@spaces.GPU(duration=120)
 def inference(image_path, vocab, label_list):
     logger.info("building class names")
     vocab = vocab.replace(", ", ",").replace("; ", ";")