Update app.py

app.py

@@ -159,7 +159,7 @@ def get_response(question):
 
 # Define the function to clear input and output
 def clear_fields():
-    return "", "",None
+    return "", ""
 
 # Function to generate audio with Eleven Labs TTS
 def generate_audio_elevenlabs(text):
@@ -220,7 +220,7 @@ with gr.Blocks() as demo:
     
     # Define interactions
     get_response_btn.click(fn=get_response, inputs=question_input, outputs=response_output)
-    generate_audio_btn.click(fn=generate_audio_elevenlabs, inputs=response_output, outputs=audio_output)
+    generate_audio_btn.click.then(fn=generate_audio_elevenlabs, inputs=response_output, outputs=audio_output)
     clean_btn.click(fn=clear_fields, inputs=[], outputs=[question_input, response_output])
 
 # Launch the Gradio interface