'temperature': 1}    st john s    from langchain import SelfAskWithSearchChain, SerpAPIWrapperopen_ai_llm = OpenAI(temperature=0)search = SerpAPIWrapper()self_ask_with_search_openai = SelfAskWithSearchChain(    llm=open_ai_llm, search_chain=search, verbose=True)cohere_llm = Cohere(temperature=0, model="command-xlarge-20221108")search = SerpAPIWrapper()self_ask_with_search_cohere = SelfAskWithSearchChain(    llm=cohere_llm, search_chain=search, verbose=True)chains = [self_ask_with_search_openai, self_ask_with_search_cohere]names = [str(open_ai_llm), str(cohere_llm)]model_lab = ModelLaboratory(chains, names=names)model_lab.compare("What is the hometown of the reigning men's U.S. Open champion?")    Input:    What is the hometown of the reigning men's U.S. Open champion?        OpenAI    Params: {'model': 'text-davinci-002', 'temperature': 0.0, 'max_tokens': 256, 'top_p': 1, 'frequency_penalty': 0, 'presence_penalty': 0, 'n': 1, 'best_of': 1}            > Entering new chain...    What is the hometown of the reigning men's U.S. Open champion?    Are follow up questions needed here: Yes.    Follow up: Who is the reigning men's U.S. Open champion?    Intermediate answer: Carlos Alcaraz.    Follow up: Where is Carlos Alcaraz from?    Intermediate answer: El