from langchain.chains.summarize import load_summarize_chain
from langchain_community.document_loaders import WebBaseLoader
from langchain_community.chat_models import ChatPremAI
loader = WebBaseLoader("https://aithoughts.github.io/tasks/2022/09/16/building-ai-models")
llm = ChatPremAI(project_id=609)
chain = load_summarize_chain(llm, chain_type="stuff")