Update app.py

app.py

@@ -349,7 +349,8 @@ def get_ref_path_decor(func):
         if not ref_wav_path:
             print("Audio file not found for the selected text.")
             return
-        yield next(func(ref_wav_path, *args))
+        wav_factory = func(ref_wav_path, *args)
+        yield next(wav_factory)
 
     return inner