Tool must be an instance of BaseTool

[dhirmadi]

Value error, Invalid tool type: <class 'langchain_community.tools.ddg_search.tool.DuckDuckGoSearchRun'>. Tool must be an instance of BaseTool or an object with 'name', 'func', and 'description' attributes. [type=value_error, input_value=[DuckDuckGoSearchRun(api_...e_tool at 0x1137e5b20>)], input_type=list]
For further information visit https://errors.pydantic.dev/2.10/v/value_error

did something change, so it no longer runs?