</a>    <span class="k">def</span> <span class="nf">feature_des_builder</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
        <span class="sd">&quot;&quot;&quot;</span>
<span class="sd">        feature_des_builder create feature description ojbect for tensorflow dataset</span>
<span class="sd">        </span>
<span class="sd">        using dtypeDict to build the feature description object</span>
<span class="sd">        notice: currently this builder only creates FixedL