Refactor generate_and_show and show_voting_buttons functions for improved code readability and maintainability

app.py

@@ -123,10 +123,10 @@ with gr.Blocks(theme=tufte_theme) as demo:
     vote_output = gr.Textbox(label="Vote Status", interactive=False, visible=False)
 
     def generate_and_show(prompt):
-        return gr.Markdown.update(value="Generating..."), gr.Row(visible=False)
+        return "Generating...", gr.Row.update(visible=False)
 
     def show_voting_buttons(blurb):
-        return blurb, gr.Row(visible=True)
+        return blurb, gr.Row.update(visible=True)
 
     generate_btn.click(get_and_store_prompt, outputs=prompt_state).then(
         generate_and_show, inputs=prompt_state, outputs=[blurb_output, voting_row]