n class="strut">&nbsp;</span></p>
<p id="t10" class="pln">    <span class="str">'checklist_items_checklistID'</span><span class="op">:</span> <span class="nam">fields</span><span class="op">.</span><span class="nam">String</span><span class="op">(</span><span class="nam">attribute</span><span class="op">=</span><span class="str">'checklist_items.checklistID'</span><span class="op">,</span> <span class="nam">required</span><span class="op">=</span><span class="key">True</span><span class="op">,</span> <span 