text: itâ€‹llm = OpenAI()qa = RetrievalQA.from_chain_type(    llm=llm, chain_type="stuff", retriever=docsearch.as_retriever())query = "is profile enabled by default? if not, how to enable profile?"resp = qa.run(query)print(resp)     No, profile is not enabled by default. To enable profile, set the variable `enable_profile` to `true` using the command `set enable_profile = true;`Previousscikit-learnNextSupabase (Postgres)SetupLoad docs and split them into tokensCreate vectordb instanceUse StarRocks as vectordbConvert tokens into embeddings and put them into vectordbBuild QA and ask question to itCommunityDiscordTwitterGitHubPythonJS/TSMoreHomepageBlogCopyright Â© 2023 LangChain, Inc.