rce_output_index</span><span class="o">=</span><span class="nb">float</span><span class="p">(</span><span class="n">json</span><span class="p">[</span><span class="s1">&#39;sourceOutputIndex&#39;</span><span class="p">])</span> <span class="k">if</span> <span class="n">json</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;sourceOutputIndex&#39;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span> <span class="ow">is</span> <