diff --git a/docs/pyerrors/obs.html b/docs/pyerrors/obs.html
index e84b39af..ebbfa10a 100644
--- a/docs/pyerrors/obs.html
+++ b/docs/pyerrors/obs.html
@@ -945,7 +945,7 @@
 </span><span id="L-627"><a href="#L-627"><span class="linenos"> 627</span></a>        <span class="k">if</span> <span class="n">save</span><span class="p">:</span>
 </span><span id="L-628"><a href="#L-628"><span class="linenos"> 628</span></a>            <span class="n">fig1</span><span class="o">.</span><span class="n">savefig</span><span class="p">(</span><span class="n">save</span><span class="p">)</span>
 </span><span id="L-629"><a href="#L-629"><span class="linenos"> 629</span></a>
-</span><span id="L-630"><a href="#L-630"><span class="linenos"> 630</span></a>        <span class="k">return</span> <span class="nb">dict</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">e_names</span><span class="p">,</span> <span class="n">sizes</span><span class="p">))</span>
+</span><span id="L-630"><a href="#L-630"><span class="linenos"> 630</span></a>        <span class="k">return</span> <span class="nb">dict</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="n">labels</span><span class="p">,</span> <span class="n">sizes</span><span class="p">))</span>
 </span><span id="L-631"><a href="#L-631"><span class="linenos"> 631</span></a>
 </span><span id="L-632"><a href="#L-632"><span class="linenos"> 632</span></a>    <span class="k">def</span> <span class="nf">dump</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">filename</span><span class="p">,</span> <span class="n">datatype</span><span class="o">=</span><span class="s2">&quot;json.gz&quot;</span><span class="p">,</span> <span class="n">description</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
 </span><span id="L-633"><a href="#L-633"><span class="linenos"> 633</span></a><span class="w">        </span><span class="sd">&quot;&quot;&quot;Dump the Obs to a file &#39;name&#39; of chosen format.</span>
@@ -2597,7 +2597,7 @@
 </span><span id="Obs-628"><a href="#Obs-628"><span class="linenos">628</span></a>        <span class="k">if</span> <span class="n">save</span><span class="p">:</span>
 </span><span id="Obs-629"><a href="#Obs-629"><span class="linenos">629</span></a>            <span class="n">fig1</span><span class="o">.</span><span class="n">savefig</span><span class="p">(</span><span class="n">save</span><span class="p">)</span>
 </span><span id="Obs-630"><a href="#Obs-630"><span class="linenos">630</span></a>
-</span><span id="Obs-631"><a href="#Obs-631"><span class="linenos">631</span></a>        <span class="k">return</span> <span class="nb">dict</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">e_names</span><span class="p">,</span> <span class="n">sizes</span><span class="p">))</span>
+</span><span id="Obs-631"><a href="#Obs-631"><span class="linenos">631</span></a>        <span class="k">return</span> <span class="nb">dict</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="n">labels</span><span class="p">,</span> <span class="n">sizes</span><span class="p">))</span>
 </span><span id="Obs-632"><a href="#Obs-632"><span class="linenos">632</span></a>
 </span><span id="Obs-633"><a href="#Obs-633"><span class="linenos">633</span></a>    <span class="k">def</span> <span class="nf">dump</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">filename</span><span class="p">,</span> <span class="n">datatype</span><span class="o">=</span><span class="s2">&quot;json.gz&quot;</span><span class="p">,</span> <span class="n">description</span><span class="o">=</span><span class="s2">&quot;&quot;</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
 </span><span id="Obs-634"><a href="#Obs-634"><span class="linenos">634</span></a><span class="w">        </span><span class="sd">&quot;&quot;&quot;Dump the Obs to a file &#39;name&#39; of chosen format.</span>
@@ -4098,7 +4098,7 @@ show expanded history for irregular Monte Carlo chains (default: True).</li>
 </span><span id="Obs.plot_piechart-628"><a href="#Obs.plot_piechart-628"><span class="linenos">628</span></a>        <span class="k">if</span> <span class="n">save</span><span class="p">:</span>
 </span><span id="Obs.plot_piechart-629"><a href="#Obs.plot_piechart-629"><span class="linenos">629</span></a>            <span class="n">fig1</span><span class="o">.</span><span class="n">savefig</span><span class="p">(</span><span class="n">save</span><span class="p">)</span>
 </span><span id="Obs.plot_piechart-630"><a href="#Obs.plot_piechart-630"><span class="linenos">630</span></a>
-</span><span id="Obs.plot_piechart-631"><a href="#Obs.plot_piechart-631"><span class="linenos">631</span></a>        <span class="k">return</span> <span class="nb">dict</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">e_names</span><span class="p">,</span> <span class="n">sizes</span><span class="p">))</span>
+</span><span id="Obs.plot_piechart-631"><a href="#Obs.plot_piechart-631"><span class="linenos">631</span></a>        <span class="k">return</span> <span class="nb">dict</span><span class="p">(</span><span class="nb">zip</span><span class="p">(</span><span class="n">labels</span><span class="p">,</span> <span class="n">sizes</span><span class="p">))</span>
 </span></pre></div>