<span class="bp">self</span><span class="o">.</span><span class="n">_mapSupport</span><span class="p">[</span><span class="n">si</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="nb">abs</span><span class="p">(</span><span class="mi">0</span> <span class="o">-</span> <span class="n">n</span><span class="p">),</span> <span class="n">n</span><span class="p">]</span>
                    <span class="bp">self</span><spa