n> <span class="nc">HADDPG</span><span class="p">(</span><span class="n">OffPolicyBase</span><span class="p">):</span>
    <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">args</span><span class="p">,</span> <span class="n">obs_space</span><span class="p">,</span> <span class="n">act_space</span><span class="p">,</span> <span class="n">device</span><span class="o">=</span><span class="n">torch</span><span 