Update app.py

app.py

@@ -18,8 +18,7 @@ from utils_demo import *
 
 from concrete.ml.deployment import FHEModelClient
 from models.speech_to_text import *
-from models.speech_to_text.transcriber.utils import preprocess_audio, postprocess_transcription
-
+from models.speech_to_text.transcriber.audio import preprocess_audio
 
 # Ensure the directory is clean before starting processes or reading files
 clean_directory()