langchain

893a924b - core[minor], community[patch], langchain[patch]: move BaseChatLoader to core (#19607)

core[minor], community[patch], langchain[patch]: move BaseChatLoader to core (#19607) Thank you for contributing to LangChain! - [ ] **PR title**: "core: move BaseChatLoader and BaseToolkit from community" - [ ] **PR message**: move BaseChatLoader and BaseToolkit --------- Co-authored-by: Bagatur <baskaryan@gmail.com>