whether to include the Q (purple-green contrast) component in the conversion. If <cite>True</cite>, the Q component will be included.</p></li>
</ul>
<p><strong>Returns</strong>:</p>
<ul class="simple">
<li><p><strong>None</strong>:
This function modifies the <cite>image_surface</cite> in-place and does not return any value.</p></li>
</ul>
<p><strong>Raises</strong>:</p>
<ul class="simple">
<li><p><strong>TypeError</strong>:
If <cite>image_surface</cite> is not a valid <cite>pygame.Surface</cite> o