> <span class="nb">len</span><span class="p">(</span><span class="n">samples</span><span class="p">)</span> <span class="k">for</span> <span class="p">(</span><span class="n">key</span><span class="p">,</span><span class="n">samples</span><span class="p">)</span> <span class="ow">in</span> <span class="n">sample_paths</span><span class="o">.</span><span class="n">items</span><span class="p">()})</span>

    <span class="n">errs</span> <span class="o">=</span> <span class="p">[]</span>
    <span class="k">fo