content: """LangGraph agent example for PanAgent."""
  
  from langchain.agents import create_agent
  
  
  def get_weather(city: str) -> str:
      """Get weather for a given city."""
      return f"It's always sunny in {city}!"
  
  
  agent = create_agent(
      model="openai:gpt-5-nano",
      tools=[get_weather],
      system_prompt="You are a helpful assistant",
  )
  
  # # Run the agent
  # result = agent.invoke(
  #     {"messages": [{"role": "user", "content": "what is the weather in sf"}]}
  # )
  # print(result)
  