<span class="p">,</span><span class="s1">&#39;ico&#39;</span><span class="p">:</span><span class="s1">&#39;ift:ico&#39;</span><span class="p">}</span>
    <span class="k">if</span> <span class="n">size</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">_img_sizes</span><span class="p">:</span> 
        <span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;&quot;&quot;Unexpected size argument value: 