="__codelineno-7-3" href="#__codelineno-7-3"></a>        <span class="s1">&#39;itemsession_cost&#39;</span><span class="p">:</span> <span class="s1">&#39;constant&#39;</span><span class="p">,</span>
<a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a>        <span class="s1">&#39;itemsession_freq&#39;</span><span class="p">:</span> <span class="s1">&#39;constant&#39;</span><span class="p">,</span>
<a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a>       