;</span> <span class="kc">None</span><span class="p">:</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
<span class="sd">        Method that is called at the beginning of each episode in the training process. It sets some user_data</span>
<span class="sd">        variables to be used later on.</span>

<span class="sd">        Args:</span>
<span class="sd">            worker (Worker): The worker object that is being used in the training process.</span>
<span class="sd">       