span class="o">.</span><span class="n">abspath</span><span class="p">(</span><span class="n">trial_dir</span><span class="p">)</span>

    <span class="n">df_metrics</span> <span class="o">=</span> <span class="n">pd</span><span class="o">.</span><span class="n">read_json</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">trial_dir</span><span class="p">,</span> <