lass="p">,</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="nb">int</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">floor</span><span class="p">(</span><span class="n">zero_pad</span> <span class="o">/</span> <span class="mi">2</span><span class="p">)))))</span>
    <span class="n">win_len</span> <span class="o">=</span> <span class="nb">int</span><span class="p">(</span><span class="nb">le