Update app.py

app.py

@@ -12,6 +12,7 @@ import io
 import speech_recognition as sr
 from gtts import gTTS
 import os
+import sounddevice as sd
 
 # Download NLTK resources
 nltk.download('punkt')
@@ -46,7 +47,7 @@ def recognize_speech():
             st.error("Sorry, could not understand the audio.")
         except sr.RequestError:
             st.error("Could not request results, check your internet connection.")
-    return None
+    return Non
 
 
 # Preprocessing function (same as in Section 01)