Update app.py

app.py

@@ -83,15 +83,12 @@ with block:
 
     gr.HTML("Demo application of a LangChain chain.")
 
-    gr.HTML(
-        "<center>Powered by <a href='https://github.com/hwchase17/langchain'>LangChain 🦜️🔗</a></center>"
-    )
 
     state = gr.State()
     agent_state = gr.State()
 
-    submit.click(chat, inputs=[openai_api_key_textbox, message, state, agent_state], outputs=[chatbot, state],api_name="chat")
-    message.submit(chat, inputs=[openai_api_key_textbox, message, state, agent_state], outputs=[chatbot, state])
+    submit.click(chat, inputs=[openai_api_key_textbox, message, state, agent_state], outputs=[chatbot, state])
+    message.submit(chat, inputs=[openai_api_key_textbox, message, state, agent_state], outputs=[chatbot, state],api_name="chat")
 
     openai_api_key_textbox.change(
         set_openai_api_key,