ass="si">{}</span><span class="s2"> of variable </span><span class="si">{}</span><span class="s2"> has invalid information&quot;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
                        <span class="n">name</span><span class="p">,</span> <span class="n">i_branch</span>
                    <span class="p">)</span>
                <span class="p">)</span>

        <span class="c1">#</span>
        <span class="c1"># Normalize probability</span>
        <span 