Update app.py

app.py

@@ -256,9 +256,9 @@ def voice_extract_demucs(audio_path):
         else:
             result_dir = model_dirs[0] / base_name    
             vocals_path = result_dir / "vocals.wav"
-            success_message = "✅ **Success!** Voice extracted. ("+vocals_path+")"
+            success_message = "✅ **Success!** Voice extracted. ("+str(vocals_path)+")"
 
-        return vocals_path, vocals_path, gr.Markdown(success_message)
+        return str(vocals_path), str(vocals_path), gr.Markdown(success_message)
     except Exception as e:
         return None, None, gr.Markdown(f"❌ **Error:** An unexpected ERROR occurred: {e}")
 ###