pan class="n">sharpness_init</span> <span class="o">=</span> <span class="n">parameter_init_from_arg</span><span class="p">(</span>
            <span class="n">sharpness_init</span><span class="p">,</span>
            <span class="n">expected_init_size</span><span class="p">,</span>
            <span class="k">lambda</span> <span class="n">size</span><span class="p">:</span> <span class="n">torch</span><span class="o">.</span><span class="n">ones</span><span class="p">(</span><span class="o">*</span><span c