s="o">+</span> <span class="s2">&quot;/filter/&quot;</span> <span class="o">+</span> <span class="n">pkfilter</span><span class="o">.</span><span class="n">url_params</span>
<span class="o">--&gt;</span> <span class="mi">123</span>         <span class="n">headers</span> <span class="o">=</span> <span class="bp">cls</span><span class="o">.</span><span class="n">get_authentication_headers</span><span class="p">(</span><span class="n">BASE_URL</span><span class="p">,</span> <span class="n">USER</span><span cla