app.py

from transformers import pipeline, Conversation
import gradio as gr

Chatbot = pipeline(task = "conversational", model ="facebook/blenderbot-400M-distill")
 #text, get it from user from gradio

message_list = []
response_list = []

def mini_chatbot(message, history):
    conversation = Conversation(text = message, 
                                past_user_inputs = message_list, 
                                generated_responses = response_list)
    response = Chatbot(conversation)
    return response.generated_responses[-1]
demo_chatbot = gr.ChatInterface(mini_chatbot, title="AI Chatbot" , description="Enter text to CHAT with AI")
demo_chatbot.launch()