an class="op">]</span>&nbsp;</span><span class="r"></span></p>
    <p class="run"><span class="n"><a id="t23" href="#t23">23</a></span><span class="t">        <span class="key">if</span> <span class="nam">self</span><span class="op">.</span><span class="nam">epoch</span> <span class="op">></span> <span class="num">1</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
    <p class="run"><span class="n"><a id="t24" href="#t24">24</a></span><span class="t">            <span class="nam">w_i<