an class="n">param</span> <span class="ow">in</span> <span class="p">[</span><span class="s2">&quot;dash_radius&quot;</span><span class="p">,</span> <span class="s2">&quot;dash_gap&quot;</span><span class="p">,</span> <span class="s2">&quot;dash_length&quot;</span><span class="p">]:</span>
            <span class="k">if</span> <span class="n">param</span> <span class="ow">in</span> <span class="n">r</span> <span class="ow">and</span> <span class="n">pd</span><span class="o">.</span><span class="n">notnull</