"o">.</span><span class="n">startswith</span><span class="p">((</span><span class="s1">'_'</span><span class="p">,</span> <span class="s1">'~'</span><span class="p">,</span> <span class="s1">'.'</span><span class="p">)):</span>
            <span class="k">continue</span>
        <span class="n">unknown_classes</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">class_name</span><span class="p">)</span>

    <span class="k">return</span> <span class="n">unknown_