async def execute(self, fn, *args, **kwargs) -> None:
        '''Execute an arbitrary function outside the event loop using
        a shared Executor.'''

        fn = functools.partial(fn, *args, **kwargs)
        return await self.loop.run_in_executor(self.executor, fn)
async def execute ( self , fn , * args , ** kwargs ) -> None : fn = functools . partial ( fn , * args , ** kwargs ) return await self . loop . run_in_executor ( self . executor , fn )
Execute an arbitrary function outside the event loop using
        a shared Executor.