class="n">feature</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">data_interface</span><span class="o">.</span><span class="n">feature_names</span><span class="p">:</span>
                <span class="k">if</span> <span class="n">feature</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">features_to_vary</span><span class="p">:</span>
                    <span class="bp">self</span><span class="o">.</span><span class="n">fixed_