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Update pydantic_compatibility.md (#9382)

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Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
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NavanitDubeyShorthillsAI 2023-08-19 01:33:15 +05:30 committed by GitHub
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docs/extras/guides/pydantic_compatibility.md
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@ -7,14 +7,14 @@
## LangChain Pydantic Migration Plan ## LangChain Pydantic Migration Plan
Langchain will carry out the migration to pydantic v2 in two steps: LangChain will carry out the migration to pydantic v2 in two steps:
1. 2023-08-17: LangChain will allow users to install either Pydantic V1 or V2. 1. 2023-08-17: LangChain will allow users to install either Pydantic V1 or V2.
* Internally LangChain will continue to [use V1](https://docs.pydantic.dev/latest/migration/#continue-using-pydantic-v1-features). * Internally LangChain will continue to [use V1](https://docs.pydantic.dev/latest/migration/#continue-using-pydantic-v1-features).
* During this time, users can pin their pydantic version to v1 to avoid breaking changes, or start a partial * During this time, users can pin their pydantic version to v1 to avoid breaking changes, or start a partial
migration using pydantic v2 throughout their code, but avoiding mixing v1 and v2 code for LangChain (see below). migration using pydantic v2 throughout their code, but avoiding mixing v1 and v2 code for LangChain (see below).
2. 2023-08-25: Langchain will migrate internally to using V2 code. 2. 2023-08-25: LangChain will migrate internally to using V2 code.
* Users will have to upgrade to V2 as well to use LangChain. * Users will have to upgrade to V2 as well to use LangChain.
* Users should stop using the `pydantic.v1` namespace when using LangChain. * Users should stop using the `pydantic.v1` namespace when using LangChain.
* See the [bump-pydantic package](https://github.com/pydantic/bump-pydantic) to help with the upgrade process. * See the [bump-pydantic package](https://github.com/pydantic/bump-pydantic) to help with the upgrade process.