Update convo.py

convo.py

@@ -2,10 +2,11 @@ from transformers import pipeline, Conversation
 import streamlit as st
 from streamlit_option_menu import option_menu
 
+chatbot = pipeline(task="conversational", model="microsoft/DialoGPT-medium")
 
 def Convo():
-    convo = st.chat_input("Enter your message")
-    chatbot = pipeline(task="conversational", model="microsoft/DialoGPT-medium")
+    if convo := st.chat_input("Enter your message")
+    
     conversation = Conversation(convo)