span><span class="p">)</span> <span class="o">+</span> <span class="p">[</span><span class="n">img_nhwc</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">*</span> <span class="mi">0</span> <span class="k">for</span> <span class="n">_</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">N</span><span class="p">,</span> <span class="n">H</span> <span class="o">*</span> <span class="n">W</span><span class="p">)])</s