langchain/tools/powerbi/tool.py/InfoPowerBITool/_arun
class InfoPowerBITool:    async def _arun(
        self,
        tool_input: str,
        run_manager: Optional[AsyncCallbackManagerForToolRun] = None,
    ) -> str:
        return await self.powerbi.aget_table_info(tool_input.split(", "))