text: whether for semantic search or example selection.from langchain.vectorstores import ChromaFor a more detailed walkthrough of the Chroma wrapper, see this notebookRetrieverâ€‹See a usage example.from langchain.retrievers import SelfQueryRetrieverPreviousChaindeskNextClarifaiInstallation and SetupVectorStoreRetrieverCommunityDiscordTwitterGitHubPythonJS/TSMoreHomepageBlogCopyright Â© 2023 LangChain, Inc.