langchain

01573c13 - fix(core): `ensure_ascii=False` in `PydanticOutputParser` exception formatting (#34006)

fix(core): `ensure_ascii=False` in `PydanticOutputParser` exception formatting (#34006) - **Description:** When formatting an error, `PydanticOutputParser` dumps json with default `ensure_ascii=True` - **Issue:** Fixes #34005 - **Dependencies:** None - [x] **Lint and test**: Run `make format`, `make lint` and `make test` from the root of the package(s) you've modified. **We will not consider a PR unless these three are passing in CI.** See [contribution guidelines](https://docs.langchain.com/oss/python/contributing) for more. Co-authored-by: Mason Daugherty <mason@langchain.dev>