ward"><code>Learner.backward</code></a> (uses <code>DataBunch.set_item</code>)</li>
<li><a href="/basic_data.html#DataBunch.export"><code>DataBunch.export</code></a> (requires <code>export</code>)</li>
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<h2 id="DeviceDataLoader" class="doc_header"><code>class</code> <code>DeviceDataLoader