While building 3.6.7. Path set to 3.6.7 working directory 

Running PGInstrument|x64 interpreter...
Run tests sequentially
Exception in callback _ProactorReadPipeTransport._loop_reading(<_OverlappedF...ne, 64, None)>)
handle: <Handle _ProactorReadPipeTransport._loop_reading(<_OverlappedF...ne, 64, None)>)>
Traceback (most recent call last):
  File "E:\cpython\lib\asyncio\windows_events.py", line 429, in finish_recv
    return ov.getresult()
OSError: [WinError 64] El nombre de red especificado ya no está disponible

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "E:\cpython\lib\asyncio\proactor_events.py", line 256, in _loop_reading
    data = fut.result()
  File "E:\cpython\lib\asyncio\windows_events.py", line 733, in _poll
    value = callback(transferred, key, ov)
  File "E:\cpython\lib\asyncio\windows_events.py", line 433, in finish_recv
    raise ConnectionResetError(*exc.args)
ConnectionResetError: [WinError 64] El nombre de red especificado ya no está disponible

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "E:\cpython\lib\asyncio\events.py", line 81, in _run
    self._context.run(self._callback, *self._args)
  File "E:\cpython\lib\asyncio\proactor_events.py", line 283, in _loop_reading
    self._force_close(exc)
  File "E:\cpython\lib\asyncio\proactor_events.py", line 118, in _force_close
    self._empty_waiter.set_exception(exc)
asyncio.exceptions.InvalidStateError: invalid state
An open stream object is being garbage collected; call "stream.close()" explicitly.
Task was destroyed but it is pending!
task: <Task pending name='Task-2689' coro=<<async_generator_athrow without __name__>()>>
Task was destroyed but it is pending!
task: <Task pending name='Task-2691' coro=<<async_generator_athrow without __name__>()>>
Task was destroyed but it is pending!
task: <Task pending name='Task-2696' coro=<<async_generator_athrow without __name__>()>>