class="bp">self</span><span class="o">.</span><span class="n">b_1</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">b_1</span><span class="o">.</span><span class="n">to</span><span class="p">(</span><span class="n">dgm</span><span class="o">.</span><span class="n">device</span><span class="p">)</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">b_2</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</