Update app.py

app.py

@@ -1,7 +1,7 @@
 import gradio as gr
 
 from datetime import date
-from langchain.agents import AgentType, initialize_agent
+from langchain.agents import AgentType, initialize_agent, tool
 from langchain.chat_models import ChatOpenAI
 from langchain.tools.python.tool import PythonREPLTool
 
@@ -57,7 +57,7 @@ gr.close_all()
 
 demo = gr.Interface(fn = invoke, 
                     inputs = [gr.Textbox(label = "OpenAI API Key", type = "password", lines = 1),
-                              gr.Textbox(label = "Prompt", lines = 1)],
+                              gr.Textbox(label = "Prompt", lines = 1)], "What is today's date?",
                     outputs = [gr.Textbox(label = "Completion", lines = 1)],
                     title = "Generative AI - LLM & Agent",
                     description = description)