<span class="op">.</span><span class="nam">item</span><span class="op">(</span><span class="op">)</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
    <p class="run"><span class="n"><a id="t28" href="#t28">28</a></span><span class="t">        <span class="nam">self</span><span class="op">.</span><span class="nam">bs</span><span class="op">.</span><span class="nam">append</span><span class="op">(</span><span class="nam">pred</span><span class="op">.</span><span class="nam">size</span><