Update app.py

app.py

@@ -294,7 +294,7 @@ def process_files(
 
     zipf.close()
     first_enhanced = os.path.join(temp_dir, os.path.splitext(files[0].name)[0] + "_enhanced.wav")
-    return zip_path, first_enhanced_audio
+    return zip_path, first_enhanced
 
 # Gradio UI