n><span class="o">.</span><span class="n">config</span><span class="o">.</span><span class="n">datasets</span><span class="o">.</span><span class="n">train</span><span class="o">.</span><span class="n">batch_size</span><span class="p">)</span>
            <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">model</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
                <span class="n">bs</span>