nb">print</span><span class="p">()</span>
        <span class="nb">print</span><span class="p">()</span>
        <span class="nb">print</span><span class="p">()</span>
        <span class="nb">print</span><span class="p">(</span><span class="n">hor_line</span><span class="p">)</span>

        <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">optimizer</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>