langchain

96bf8262 - fix: fixing missing Docstring Bug if no Docstring is provided in BaseModel class (#31608)

fix: fixing missing Docstring Bug if no Docstring is provided in BaseModel class (#31608) - **Description:** Ensure that the tool description is an empty string when creating a Structured Tool from a Pydantic class in case no description is provided - **Issue:** Fixes #31606 --------- Co-authored-by: Mason Daugherty <mason@langchain.dev>