span><span class="n">b</span> <span class="o">+</span> <span class="n">mu</span><span class="o">*</span><span class="bp">self</span><span class="o">.</span><span class="n">s</span><span class="p">)</span><span class="o">.</span><span class="n">sample</span><span class="p">(</span><span class="n">sample_shape</span><span class="o">=</span><span class="p">(</span><span class="n">batch_size</span><span class="p">,</span> <span class="p">))</span><span class="o">.</span><span class="n">reshape</span><span class