code class="computeroutput"><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></code> with custom unlock/lock wrapping of
        every time Boost.Python enters your code. You must furthermore take care
        to <span class="emphasis"><em>not</em></span>