class="n">_pool</span><span class="p">,</span> <span class="n">_stacktrace</span><span class="p">)</span>
    <span class="mi">438</span>         <span class="k">if</span> <span class="n">new_retry</span><span class="o">.</span><span class="n">is_exhausted</span><span class="p">():</span>
<span class="o">--&gt;</span> <span class="mi">439</span>             <span class="k">raise</span> <span class="n">MaxRetryError</span><span class="p">(</span><span class="n">_pool</span><span class="p">,</span> <span clas