Update app.py

app.py

@@ -159,6 +159,9 @@ gr.ChatInterface(
         textbox=gr.MultimodalTextbox(placeholder="Ask anything", container=False, scale=7),
         title="Python Code Generator",
         description="The assistant can generate code, explain, fix, optimize, document, test, and generally help with code. It can also execute code.",
+        clear_btn="Clear",
+        retry_btn=None,
+        undo_btn=None,
         examples=[
                   [{"text": "Generate: NumPy/Pandas/Matplotlib & yfinance trading app", "files": []}],
                   [{"text": "Explain: r\"^(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*[\\W]).{8,}$\"", "files": []}],