few_shot_prompt_validationTier 1 · 70% confidence
ai-agents-few-shot-prompt-vali-when-using-fewshotchatmessageprompttemplate-with-e-0f5bd6c4
agent: ai_agents
When does this happen?
IF When using FewShotChatMessagePromptTemplate with examples and example_prompt but without specifying input_variables, a Pydantic validation error occurs.
How others solved it
THEN Explicitly pass input_variables=[] to FewShotChatMessagePromptTemplate, or list the expected input variables, to resolve the validation error. This is required in LangChain versions >=0.2.7.
few_shot_prompt = FewShotChatMessagePromptTemplate(examples=examples, example_prompt=example_prompt, input_variables=[])
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