from neo4j_vector_memory.chain import chain if __name__ == "__main__": user_id = "user_id_1" session_id = "session_id_1" original_query = "What is the plot of the Dune?" print( chain.invoke( {"question": original_query, "user_id": user_id, "session_id": session_id} ) ) follow_up_query = "Tell me more about Leto" print( chain.invoke( {"question": follow_up_query, "user_id": user_id, "session_id": session_id} ) )