mirror of
https://github.com/langchain-ai/langchain.git
synced 2026-10-11 04:15:12 +03:00
Problem: "Optional" object is used in one example without importing, which raises the following error when copying the example into IDE or Jupyter Lab  Solution: Just importing Optional from typing_extensions module, this solves the problem! --------- Co-authored-by: Erick Friis <erick@langchain.dev>
LangChain Documentation
For more information on contributing to our documentation, see the Documentation Contributing Guide