ass="op">=</span> <span class="nam">tuple</span><span class="op">(</span><span class="nam">pixel_grid</span><span class="op">[</span><span class="nam">yy</span><span class="op">,</span> <span class="nam">xx</span><span class="op">]</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
    <p class="mis show_mis"><span class="n"><a id="t165" href="#t165">165</a></span><span class="t">                        <span class="key">if</span> <span class="nam">rgb_tuple</span> <span class="op">==</