o Zh@sHddlmZzddlTWn eyddlTYnweddddddS) )warn_deprecated)*z0.3.0z1.0.0zpydantic.v1 or pydanticaAs of langchain-core 0.3.0, LangChain uses pydantic v2 internally. The langchain.pydantic_v1 module was a compatibility shim for pydantic v1, and should no longer be used. Please update the code to import from Pydantic directly. For example, replace imports like: `from langchain.pydantic_v1 import BaseModel` with: `from pydantic import BaseModel` or the v1 compatibility namespace if you are working in a code base that has not been fully upgraded to pydantic 2 yet. from pydantic.v1 import BaseModel )Zremoval alternativemessageN)Zlangchain_core._apirZpydantic.v1.main ImportErrorZ pydantic.mainrrQ/var/www/html/lang_env/lib/python3.10/site-packages/langchain/pydantic_v1/main.pys