from langchain.document_loaders import SitemapLoaderfrom langchain.schema.runnable import RunnableLambda, RunnablePassthroughfrom langchain.text_splitter import RecursiveCharacterTextSplitterfrom langchain.vectorstores.faiss import FAISSfrom langchain.embeddings import OpenAIEmbeddingsfrom langchain.chat_models import ChatOpenAIfrom langchain.prompts import ChatPromptTemplatefrom bs4 import Beau..
