Update app.py

app.py

@@ -67,10 +67,10 @@ def separate_audio_by_stem(audio_path, stem_count):
     
     elif stem_count == 4:
         
-        vocals_path = f"{gradio_temp_path}/separated_audio/{audio_filename}/vocals.wav"
-        drums_path = f"{gradio_temp_path}/separated_audio/{audio_filename}/drums.wav"
-        bass_path = f"{gradio_temp_path}/separated_audio/{audio_filename}/bass.wav"
-        other_path = f"{gradio_temp_path}/separated_audio/{audio_filename}/other.wav"
+        vocals_path = f"{gradio_temp_path}/separated_audio/{audio_filename}/vocals.mp3"
+        drums_path = f"{gradio_temp_path}/separated_audio/{audio_filename}/drums.mp3"
+        bass_path = f"{gradio_temp_path}/separated_audio/{audio_filename}/bass.mp3"
+        other_path = f"{gradio_temp_path}/separated_audio/{audio_filename}/other.mp3"
         
         print(f"{vocals_path=} \t exists: {os.path.exists(vocals_path)}")
         print(f"{drums_path=} \t exists: {os.path.exists(drums_path)}")