def flush(self):
        for data in self.buffer:
            self.output_width += data.output(self.output, self.output_width)
        self.buffer.clear()
        self.buffer_width = 0
Initialize the Facebook middleware.
dataset/ETHPy150Open ipython/ipython-py3k/IPython/lib/pretty.py/PrettyPrinter.flush--crossover with--dataset/ETHPy150Open benadida/helios-server/helios_auth/auth_systems/facebookclient/wsgi.py/FacebookWSGIMiddleware.__init__