probabitlities_to_zero</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
        <span class="sd">&quot;&quot;&quot;Set to zero the probabilities of the all branchs of variable.&quot;&quot;&quot;</span>
        <span class="k">for</span> <span class="n">i_branch</span><span class="p">,</span> <span class="n">branch</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">s