import asyncio

futures = []
loop = asyncio.get_event_loop()
for coroutine in coroutines:
    futures.append(asyncio.run_coroutine_threadsafe(coroutine, event_loop))
for future in futures:
    future.result()

in main
    future.result()
  File "/usr/lib/python3.5/asyncio/futures.py", line 268, in result
    raise InvalidStateError('Result is not ready.')

futures._chain_future(ensure_future(coro, loop=loop), future)

def result(self):
    """Return the result this future represents.
    If the future has been cancelled, raises CancelledError.  If the
    future's result isn't yet available, raises InvalidStateError.  If
    the future is done and has an exception set, this exception is raised.
    """
    if self._state == _CANCELLED:
        raise CancelledError
    if self._state != _FINISHED:
        raise InvalidStateError('Result is not ready.')
    self._log_traceback = False
    if self._tb_logger is not None:
        self._tb_logger.clear()
        self._tb_logger = None
    if self._exception is not None:
        raise self._exception
    return self._result