 class="p">(</span><span class="n">centers_init</span><span class="p">)</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">sharpness</span> <span class="o">=</span> <span class="n">Parameter</span><span class="p">(</span><span class="n">sharpness_init</span><span class="p">)</span>

        <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">freeze_exponent</span><span class="p">:</span>
            <span class="bp">self</span><span c