<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 async def _thread_coro(self, *args):
 """ Coroutine called by MapAsync. It's wrapping the call of run_in_executor to run the synchronous function as thread """

        return await self._loop.run_in_executor(
            self._executor, self._function, *args)