<span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
<span class="sd">        Wait for the step taken with step_async().</span>

<span class="sd">        Returns (obs, rews, dones, infos):</span>
<span class="sd">         - obs: an array of observations, or a dict of</span>
<span class="sd">                arrays of observations.</span>
<span class="sd">         - rews: an array of rewards</span>
<span class="