class="n">batch_size</span><span class="p">,</span> <span class="o">*</span><span class="n">centers</span><span class="o">.</span><span class="n">size</span><span class="p">())</span>

        <span class="n">radius</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">radius</span>
        <span class="n">radius</span> <span class="o">=</span> <span class="n">radius</span><span class="o">.</span><span class="n">unsqueeze</span><span class="p">(</span><span clas