an class="identifier">boost</span><span class="special">\</span><span class="identifier">boost</span><span class="special">\</span><span class="identifier">python</span><span class="special">\</span><span class="identifier">detail</span><span class="special">\</span><span class="identifier">invoke</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">(</span><span class="number">76</span><span class="special">):</span>
<span class="identifier">error</span> <span class=