<span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="bp">self</span><span class="o">.</span><span class="n">varname</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">b</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">):</span>
                    <span class="n">b_layer</span> <span class="o">=</span> <span class="n">rgetattr</span><span class="p">(</span><span class="n">policy</span><span clas