def manual_close(self):
        conn = self.get_conn()
        self.close()
        if not self._is_closed(self.conn_key(conn), conn):
            self._close(conn, close_conn=True)
Write a JSON error-reporting command through the socket.
dataset/ETHPy150Open coleifer/peewee/playhouse/pool.py/PooledDatabase.manual_close--crossover with--dataset/ETHPy150Open erkyrath/tworld/lib/tweblib/handlers.py/PlayWebSocketHandler.write_tw_error