ting.utils</span> <span class="kn">import</span> <span class="n">digest_collate</span>
</span><span id="L-15"><a href="#L-15"><span class="linenos">15</span></a><span class="kn">from</span> <span class="nn">ourheroes.training.utils</span> <span class="kn">import</span> <span class="n">recursive_to_device</span>
</span><span id="L-16"><a href="#L-16"><span class="linenos">16</span></a>
</span><span id="L-17"><a href="#L-17"><span class="linenos">17</span></a>
</span><span id="L-18"><a href="#L-18"><span clas