span> <span class="o">=</span> <span class="o">.</span><span class="mi">5</span><span class="p">):</span>
        <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="n">variables</span><span class="p">)</span>

        <span class="bp">self</span><span class="o">.</span><span class="n">pm</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((