 highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">job</span><span class="o">.</span><span class="n">prep_graphem</span><span class="p">(</span>
    <span class="n">recon_period</span><span class="o">=</span><span class="p">(</span><span class="mi">1801</span><span class="p">,</span> <span class="mi">2000</span><span class="p">),</span>  <span class="c1"># period to reconstruct</span>
    <span class="n">calib_period</span><span class="o">=</span><span class="p">(</spa