def next(self):
        _complain_ifclosed(self.closed)
        r = self.readline()
        if not r:
            raise StopIteration
        return r
Inspect a frame to see if it's a RPC request from RabbitMQ.
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/io.py/StringIO.next--crossover with--dataset/ETHPy150Open gmr/rabbitpy/rabbitpy/channel.py/Channel._check_for_rpc_request