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How to Fix Langchain Hub Pull Error
March 27, 2024, 1:16 p.m. | NJOKU SAMSON EBERE
DEV Community dev.to
When trying to run your first agent (https://js.langchain.com/docs/integrations/tools/tavily_search#usage) in Langchain, you will probably run into the following error:
The problem is that Hub Pull returns false. That is this part of the code:
const prompt = await pull<ChatPromptTemplate>(
"hwchase17/openai-functions-agent"
);
To solve the problem, remove the code above and define a different prompt with a MessagesPlaceholder of "agent_scratchpad" like so:
const prompt = ChatPromptTemplate.fromMessages([
new MessagesPlaceholder("agent_scratchpad"),
["user", "{input}"],
["user", "Answer the question in detail and state your source."], …
agent ai beginners code false functions hub langchain openai part prompt question returns solve state tutorial
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