     <span class="n">symbols</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
            <span class="n">positions</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
            <span class="n">numbers</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
            <span class="n">tags</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
            <span class="n">momenta</span><s