 which the agent is training.</span>
<span class="sd">        n_vars_energy (int, optional): Number of variables from the Energy environment. Defaults to 4.</span>
<span class="sd">        n_vars_battery (int, optional): Number of variables from the Battery environment. Defaults to 1.</span>
<span class="sd">        queue_max_len (int, optional): The size of the queue where the tasks are stored to be processed latter. Default to 500.</span>

<span class="sd">    Returns:</span>
<span class="sd">        Carb