/span> <span class="nb">int</span><span class="p">]:</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;Return the number of chunks necessary to cover the Manager&#39;s bounding box.&quot;&quot;&quot;</span>
        <span class="n">left</span><span class="p">,</span> <span class="n">bottom</span><span class="p">,</span> <span class="n">right</span><span class="p">,</span> <span class="n">top</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class