an class="p">(</span><span class="n">nn</span><span class="p">)</span>

<span class="nd">@transform</span>
<span class="k">def</span> <span class="nf">prepare</span><span class="p">(</span><span class="n">x</span><span class="p">):</span>
    <span class="k">return</span> <span class="n">torch</span><span class="o">.</span><span class="n">tensor</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>

<span class="nd">@transform</span>
<span class="k">def</span> <span class="nf">post<