from langchain_core.prompts import PromptTemplate from langchain_openai import OpenAI API_KEY = "sk-abcdefg" async def test(request): prompt = PromptTemplate.from_template( "Complete the following sentence: I am a {profession} and " ) llm = OpenAI(api_key=API_KEY) chain = prompt | llm res = await chain.ainvoke({"profession": "electrician"}) print(res)