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core[patch]: pydantic 2.11 compat (#29963)

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Resolves https://github.com/langchain-ai/langchain/issues/29951

Was able to reproduce the issue with Anthropic installing from pydantic
`main` and correct it with the fix recommended in the issue.

Thanks very much @Viicos for finding the bug and the detailed writeup!
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ccurme 2025-02-24 11:11:25 -05:00 committed by GitHub
parent 0d3a3b99fc
commit 9ce07980b7
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4
libs/core/langchain_core/language_models/base.py
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@ -18,6 +18,8 @@ from pydantic import BaseModel, ConfigDict, Field, field_validator
from typing_extensions import TypeAlias, TypedDict, override
from langchain_core._api import deprecated
from langchain_core.caches import BaseCache
from langchain_core.callbacks import Callbacks
from langchain_core.messages import (
AnyMessage,
BaseMessage,
@ -29,8 +31,6 @@ from langchain_core.runnables import Runnable, RunnableSerializable
from langchain_core.utils import get_pydantic_field_names
if TYPE_CHECKING:
from langchain_core.caches import BaseCache
from langchain_core.callbacks import Callbacks
from langchain_core.outputs import LLMResult