ss="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">base_directory</span><span class="p">,</span> <span class="n">class_name</span><span class="p">)):</span>
            <span class="k">continue</span>
        <span class="k">if</span> <span class="n">class_name</span> <span class="ow">in</span> <span class="n">known_classes</span> <span class="ow">or</span> <span class="n">class_name</span><span class=