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Fix not imported 'validator' (#715)

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otherwise `@validator("input_variables")` do not work
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Николай Шангин 2023-01-24 23:06:50 +08:00 committed by GitHub
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docs/modules/prompts/examples/custom_prompt_template.md
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@ -34,7 +34,7 @@ Next, we'll create a custom prompt template that takes in the function name as i
```python ```python
from langchain.prompts import BasePromptTemplate from langchain.prompts import BasePromptTemplate
from pydantic import BaseModel from pydantic import BaseModel, validator
class FunctionExplainerPromptTemplate(BasePromptTemplate, BaseModel): class FunctionExplainerPromptTemplate(BasePromptTemplate, BaseModel):