an><span class="p">:</span>
                <span class="bp">self</span><span class="o">.</span><span class="n">aggregator_client</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">robot</span><span class="o">.</span><span class="n">ensure_client</span><span class="p">(</span>
                    <span class="n">AggregatorClient</span><span class="o">.</span><span class="n">default_service_name</span><span class="p">)</span>
            <span class="k">except