class="o">=</span><span class="mi">0</span><span class="p">),</span> <span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">abs</span><span class="p">(</span><span class="n">X</span><span class="p">)</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="mi">1</span><span class="p">)))</span>  <span class="c1"># Scaling</span>
    <span class="n">env</span><span class="p">[</span><spa