n class="nf">get_shapes</span><span class="p">(</span><span class="n">job</span><span class="p">):</span>
            <span class="n">centers</span> <span class="o">=</span> <span class="n">job</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
            <span class="k">if</span> <span class="n">centers</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
                <span class="n">n_centers</span> <span class="o">=</span> <span class="nb