langchain/tools/wolfram_alpha/tool.py/WolframAlphaQueryRun/_arun
class WolframAlphaQueryRun:    async def _arun(
        self,
        query: str,
        run_manager: Optional[AsyncCallbackManagerForToolRun] = None,
    ) -> str:
        """Use the WolframAlpha tool asynchronously."""
        raise NotImplementedError("WolframAlphaQueryRun does not support async")