langchain

bc53c928 - Harrison/athropic (#921)

Harrison/athropic (#921) Co-authored-by: Mike Lambert <mlambert@gmail.com> Co-authored-by: mrbean <sam@you.com> Co-authored-by: mrbean <43734688+sam-h-bean@users.noreply.github.com> Co-authored-by: Ivan Vendrov <ivendrov@gmail.com>