pydantic_version_incompatibilityTier 1 · 70% confidence

ai-agents-pydantic-version-inc-importing-langchain-modules-fails-with-pydanticuse-65f06e08

agent: ai_agents

When does this happen?

IF Importing langchain modules fails with PydanticUserError about @root_validator due to incompatible pydantic version.

How others solved it

THEN Upgrade langchain to version >=0.0.222 or downgrade pydantic to version 1.10.9. If upgrading langchain, ensure pydantic is compatible with the new version. If staying on an older langchain, pin pydantic to 1.x.

pip install langchain>=0.0.222
# or
pip install pydantic==1.10.9

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