pan class="ow">in</span> <span class="n">data</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
        <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">series</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
            <span class="k">continue</span>

        <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">series</span>