from langchain_groq import ChatGroq from langgraph.checkpoint.memory import InMemorySaver from langgraph.prebuilt import create_react_agent from loguru import logger import os os.environ["GROQ_API_KEY"] = "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" model = ChatGroq( model="meta-llama/llama-4-scout-17b-16e-instruct", max_tokens=50, ) system_prompt = """You are hassan, a helpful assistant with for hotel room booking and other services about hotel. be frendly and polite.""" memory = InMemorySaver() agent = create_react_agent( model=model, tools=[], prompt=system_prompt, checkpointer=memory, ) agent_config = {"configurable": {"thread_id": "default_user"}}