Update app.py

app.py

@@ -75,6 +75,7 @@ Demo for cascaded speech-to-speech translation (STST), mapping from source speec
 [SpeechT5 TTS](https://huggingface.co/microsoft/speecht5_tts) model for text-to-speech, fine-tuned in French Audio dataset:
 ![Cascaded STST](https://huggingface.co/datasets/huggingface-course/audio-course-images/resolve/main/s2st_cascaded.png "Diagram of cascaded speech to speech translation")
 """
+demo = gr.Blocks()
 
 mic_translate = gr.Interface(
     fn=speech_to_speech_translation,
@@ -93,8 +94,10 @@ file_translate = gr.Interface(
     description=description,
 )
 
-# Define and launch the tabbed interface directly
-tabbed_interface = gr.TabbedInterface([mic_translate, file_translate], ["Microphone", "Audio File"])
-tabbed_interface.launch()
+with demo:
+    gr.TabbedInterface([mic_translate, file_translate], ["Microphone", "Audio File"])
+
+demo.launch()
+