(self)
return await waiter
Wait until the process exit and return the process return code.

        This method is a coroutine.
Wait until the process exit and return the process return code.
Wait until the process exit and return the process return code .
async def _wait(self):
        """Wait until the process exit and return the process return code.

        This method is a coroutine."""
        if self._returncode is not None:
            return self._returncode

        waiter = self._loop.create_future()
        self._exit_waiters.append(waiter)
        return await waiter
async def _wait ( self ) : if self . _returncode is not None : return self . _returncode waiter = self . _loop . create_future ( ) self . _exit_waiters . append ( waiter ) return await waiter