Fix not imported 'validator' (#715)

otherwise `@validator("input_variables")` do not work
1 year ago · 18b1466893
parent 2824f36401
commit 18b1466893
1 changed files with 1 additions and 1 deletions
--- a/docs/modules/prompts/examples/custom_prompt_template.md
+++ b/docs/modules/prompts/examples/custom_prompt_template.md
@ -34,7 +34,7 @@ Next, we'll create a custom prompt template that takes in the function name as i

 ```python
 from langchain.prompts import BasePromptTemplate
-from pydantic import BaseModel
+from pydantic import BaseModel, validator


 class FunctionExplainerPromptTemplate(BasePromptTemplate, BaseModel):