added spaces GPU decorator

app.py

@@ -1,3 +1,4 @@
+import spaces
 from gradio import Interface, Audio
 import gradio as gr
 import numpy as np
@@ -162,7 +163,8 @@ def generate_audio(audio_model, f0s, invert_audio_fn, outfolder, singers=[3], nu
             logging.log(logging.INFO, f"Saving audio {i}")
             torchaudio.save(f"{outfolder}/{i}.wav", torch.tensor(a).detach().unsqueeze(0).cpu(), 16000)
     return audio
-     
+    
+@spaces.GPU(duration=180)
 def generate(pitch, num_samples=2, num_steps=100, singers=[3], outfolder='temp', audio_seq_len=750, pitch_qt=None ):
     global global_ind, audio_components
     global preprocessed_primes