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)
    print(conversation)
    print(conversation.messages[0]['content'])
    print(chatbot(conversation.messages[0]['content']))
    bot = chatbot(conversation.messages[0]['content']) # working code
    print(bot)
    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)