app.py

# Use a pipeline as a high-level helper
from transformers import pipeline, Conversation
import gradio as gr


chatbot = pipeline("conversational", model="ericzhou/DialoGPT-Medium-Rick_v2")
conversation = None # initialization
def predict(sentence,history) : 
  global conversation
  if not conversation : 
    # initial generation
    conversation = Conversation(sentence)
  else : 
    # mid conversation
    conversation.add_user_input(sentence)
  conversation = chatbot(conversation)
  return conversation.generated_responses[-1]

gr.ChatInterface(predict).queue().launch()