 class="bp">self</span><span class="p">):</span>
        <span class="sd">&quot;&quot;&quot;Used to inquire the final number of features that this descriptor</span>
<span class="sd">        will have.</span>

<span class="sd">        Returns:</span>
<span class="sd">            int: Number of features for this descriptor.</span>
<span class="sd">        &quot;&quot;&quot;</span>
        <span class="n">n_features</span> <span class="o">=</span> <span class="mi">0</span>
        <span class="k">for</span> <s