app.py

from transformers import pipeline, Conversation 
import gradio as gr 
chatbot = pipeline(model="facebook/blenderbot-400M-distill") 
message_list = [] 
response_list = [] 
def vanilla_chatbot(message, history): 
    conversation = Conversation(text=message, past_user_inputs=message_list, 
generated_responses=response_list) 
    bot = chatbot(conversation.messages[0]['content']) # working code 
    return bot[-1]['generated_text'] 
 
demo_chatbot = gr.ChatInterface(vanilla_chatbot, title="Mashdemy Chatbot", description="Enter text to start chatting.") 
demo_chatbot.launch(share = True)