span class="o">=</span> <span class="mi">0</span>

            <span class="c1"># Loop through all samples assigned for this job</span>
            <span class="k">for</span> <span class="n">i_sample</span><span class="p">,</span> <span class="n">i_arg</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">arguments</span><span class="p">):</span>
                <span class="n">i_der</span> <span class="o">=</span> <span class="n">func</span><span class="