</p>
<p id="t22" class="stm run hide_run"><span class="key">class</span> <span class="nam">TrainingPreparator</span><span class="op">(</span><span class="nam">EngineBaseDataHandler</span><span class="op">)</span><span class="op">:</span><span class="strut">&nbsp;</span></p>
<p id="t23" class="pln"><span class="strut">&nbsp;</span></p>
<p id="t24" class="stm run hide_run">    <span class="key">def</span> <span class="nam">__init__</span><span class="op">(</span><span class="nam">self</span><span class="op">,