Update app.py

app.py

@@ -36,8 +36,8 @@ body {
 with gr.Blocks(css=CSS, theme=gr.themes.Monochrome()) as demo:
     gr.HTML("<center style='background:#B6B7BA'> <span class='head'>Mini</span><img src='https://user-images.githubusercontent.com/35882/227017900-0cacdfb7-37e2-47b1-9347-a233810d3544.png' width='20%' style='display:inline'><span class='head'>Chain</span></center><center> <br><a href='https://github.com/srush/minichain'>[library]</a> </center>")
 
-    gr.TabbedInterface([math_demo, qa,  agent, chat, gatsby,  ner, bash, pal, table, gradio_example, stats, selfask],
-                       ["Math", "QA", "Agent", "Chat", "Book", "NER", "Bash", "PAL", "Table", "Gradio", "Stats", "SelfAsk"],
+    gr.TabbedInterface([math_demo, qa,  chat, gatsby,  ner, bash, pal, table,  stats, selfask],
+                       ["Math", "QA",  "Chat", "Book", "NER", "Bash", "PAL", "Table", "Stats", "SelfAsk"],
                        css = CSS)
 
 demo.queue().launch()