s or pickle the dictionary of tfRecord feature datatype</span>
<span class="sd">        </span>
<span class="sd">        Parameters</span>
<span class="sd">        ----------</span>
<span class="sd">        pickleDir : str, optional</span>
<span class="sd">            the directory of pickling dataType dictionary if not None, by default None</span>
<span class="sd">        </span>
<span class="sd">        Returns</span>
<span class="sd">        -------</span>
<span class="sd">        dict</span>
<span class