class="n">stream</span><span class="o">.</span><span class="n">_process</span><span class="p">(</span><span class="n">buffer_status_mask</span><span class="p">)</span>
                <span class="k">except</span><span class="p">:</span>
                    <span class="n">traceback</span><span class="o">.</span><span class="n">print_exc</span><span class="p">()</span>

            <span class="c1"># Remove any closed streams</span>
            <span class="k">for</span> <span class="n">stream</span> <span 