changes to the audio function

app.py

@@ -23,7 +23,8 @@ def process_speech(audio_input,input_language,target_language):
     """
     processing sound using seamless_m4t
     """
-    time.sleep(2) # wait for the audio to be saved
+    if audio_input is None :
+        return "no audio or audio did not save yet \nplease try again ! "
     print(f"audio : {audio_input}")
     print(f"audio type : {type(audio_input)}")