ne</span>
<span class="sd">        Contains the ppid number provided by the command line parameter</span>
<span class="sd">        of is None otherwise.</span>

<span class="sd">    Return</span>
<span class="sd">    ------</span>

<span class="sd">    &#39;&#39;&#39;</span>

    <span class="k">if</span> <span class="ow">not</span> <span class="n">ppid</span><span class="p">:</span>
        <span class="n">c</span><span class="o">.</span><span class="n">ppid</span> <span class="o">=</span> <span class="nb"