span class="p">):</span>
                    <span class="n">tracker</span><span class="o">.</span><span class="n">add</span><span class="p">(</span><span class="sa">f</span><span class="s1">&#39;optim.</span><span class="si">{</span><span class="n">optimizer_name</span><span class="si">}</span><span class="s1">.</span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s1">.</span><span class="si">{</span><span class="n">k</span><span class="si">}</span><span class="s1