="o">.</span><span class="n">cast</span><span class="p">(</span><span class="n">tf</span><span class="o">.</span><span class="n">convert_to_tensor</span><span class="p">(</span><span class="n">b</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="s1">&#39;float32&#39;</span><span class="p">)</span>
</span><span id="Sublosses.window_diff-24"><a href="#Sublosses.window_diff-24"><span class="linenos">24</span></a>    <span class="n">_a</span> <span class="o">=</span