extract filename from tuple

app.py

@@ -119,7 +119,9 @@ def generate_midi(seed, use_chords, chord_progression, bpm):
     return wav_filename
 
 @spaces.GPU(duration=120)
-def generate_music(wav_filename, prompt_duration, musicgen_model, num_iterations, bpm):
+def generate_music(midi_audio, prompt_duration, musicgen_model, num_iterations, bpm):
+    wav_filename = midi_audio[0]  # Extract the file path from the tuple
+
     # Load the generated audio
     song, sr = torchaudio.load(wav_filename)
     song = song.to(device)