async mod with windows 10

[TGanor]

When trying the async mode on windows 10 i get the following error

stderr=stderr, **kwds)
File "C:\Users\tamirg\Anaconda3\lib\asyncio\base_events.py", line 1540, in subprocess_exec
bufsize, **kwargs)
File "C:\Users\tamirg\Anaconda3\lib\asyncio\base_events.py", line 462, in _make_subprocess_transport
raise NotImplementedError
NotImplementedError

my understanding is the windows 10 is using another event loop called
ProactorEventLoop