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Update compatibility guide for pydantic (#9396)

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Use langchain.pydantic_v1 instead of pydantic_v1
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Eugene Yurtsev 2023-08-17 15:09:18 -04:00 committed by GitHub
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docs/extras/guides/pydantic_compatibility.md
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@ -31,7 +31,7 @@ the case of inheritance and in the case of passing objects to LangChain.
**YES**
```python
from pydantic.v1 import root_validator, validator
from langchain.pydantic_v1 import root_validator, validator
class CustomTool(BaseTool): # BaseTool is v1 code
x: int = Field(default=1)
@ -84,7 +84,7 @@ CustomTool(
```python
from langchain.tools.base import Tool
from pydantic.v1 import BaseModel, Field # <-- Uses v1 namespace
from langchain.pydantic_v1 import BaseModel, Field # <-- Uses v1 namespace
class CalculatorInput(BaseModel):
question: str = Field()