</span><span class="o">.</span><span class="n">obs</span><span class="p">[</span><span class="s1">&#39;tas&#39;</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">plot</span><span class="p">()</span>
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