/span><span class="p">):</span>
                <span class="n">c</span> <span class="o">=</span> <span class="n">chain</span><span class="p">[</span><span class="n">row</span><span class="p">[</span><span class="s2">&quot;segment_&quot;</span> <span class="o">+</span> <span class="n">column</span><span class="p">]]</span>
            <span class="k">else</span><span class="p">:</span>
                <span class="c1"># otherwise just take the name of the chain as it is</span>
                <span class="n