n><span class="o">.</span><span class="n">sum</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">abs</span><span class="p">(</span><span class="n">gamma_opt</span> <span class="o">-</span> <span class="n">gamma_temp</span><span class="p">)))</span>

                <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">verbosity</span> <span class="o">&gt;</span> <span class="o">-</span><span class="mi">1</span><span class="p