def _close(self, conn):
        """Release waiters."""
        super(PooledAIODatabase, self)._close(conn)
        for waiter in self._waiters:
            if not waiter.done():
                logger.debug('Release a waiter')
                waiter.set_result(True)
                break
def _close(self, conn):
        """Release waiters."""
        super(PooledAIODatabase, self)._close(conn)
        for waiter in self._waiters:
            if not waiter.done():
                logger.debug('Release a waiter')
                waiter.set_result(True)
                break
def _close ( self , conn ) : super ( PooledAIODatabase , self ) . _close ( conn ) for waiter in self . _waiters : if not waiter . done ( ) : logger . debug ( 'Release a waiter' ) waiter . set_result ( True ) break
Release waiters.
Release waiters .