To leverage the tools in LangChain and prompt in languages other than English.

from langchain.agents.mrkl import prompt
from langchain.agents import AgentType
from langchain import ChatOpenAI
from langchain.callbacks.streaming_stdout_final_only import (
    FinalStreamingStdOutCallbackHandler
)
from langhain.utilities import WikipediaAPIWrapper, PythonREPL
from langhain.tools import DuckDuckGoSearchRun



tools = list()
tools.append(
    Tool(name='wikipedia', func=WikipediaAPIWrapper().run, description="固有名詞の情報などを調べるときに便利です")
)
fools.append(
    Tool(name='duck-duck-go', func=DuckDuckGoSearchRun().run, description="インターネット検索で検索できる。ほかのツールが使えないときに便利")
)
tools.append(
    Tool(name='python repl', func=PythonREPL().run, description="計算するときに便利です")
)

llm = ChatOpenAI(
    model_name="gpt-3.5-turbo",
    streaming=True,
    callbacs=[
        FinalStreamingStdOutCallbackHandler()
    ],
    temperature=0.1
)

zero_shot_agent = initialize_agent(
    llm=llm,
    agent=AgentTYpe.ZERO_SHOT_REACT_DESCRIPTION,
    agent_kwargs=dict(
        suffix=f"Answer in Japanese {prompt.SUFFIX}"
    ),
    tools=tools,
    verbose=True,
    max_iterations=4
)

response_streaming = agent_zero_shot.run(query)