adjust zero gpu duration

app.py

@@ -65,7 +65,7 @@ def check_for_wav_in_outputs():
     else:
         return None
 
-@spaces.GPU()
+@spaces.GPU(duration=80)
 def infer(prompt_in, chords, duration, bpms):
 
     # check if 'outputs' dir exists and empty it if necessary