diff --git a/docs/pyerrors/correlators.html b/docs/pyerrors/correlators.html
index f5e5b471..a673b94e 100644
--- a/docs/pyerrors/correlators.html
+++ b/docs/pyerrors/correlators.html
@@ -271,7 +271,7 @@
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">reweighted</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-        <span class="n">bool_array</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="nb">list</span><span class="p">(</span><span class="nb">map</span><span class="p">(</span><span class="k">lambda</span> <span class="n">x</span><span class="p">:</span> <span class="n">x</span><span class="o">.</span><span class="n">reweighted</span><span class="p">,</span> <span class="n">o</span><span class="p">))</span> <span class="k">for</span> <span class="n">o</span> <span class="ow">in</span> <span class="nb">list</span><span class="p">(</span><span class="nb">filter</span><span class="p">(</span><span class="kc">None</span><span class="o">.</span><span class="fm">__ne__</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">content</span><span class="p">))])</span>
+        <span class="n">bool_array</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="nb">list</span><span class="p">(</span><span class="nb">map</span><span class="p">(</span><span class="k">lambda</span> <span class="n">x</span><span class="p">:</span> <span class="n">x</span><span class="o">.</span><span class="n">reweighted</span><span class="p">,</span> <span class="n">o</span><span class="p">))</span> <span class="k">for</span> <span class="n">o</span> <span class="ow">in</span> <span class="p">[</span><span class="n">x</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">content</span> <span class="k">if</span> <span class="n">x</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">]])</span>
         <span class="k">if</span> <span class="n">np</span><span class="o">.</span><span class="n">all</span><span class="p">(</span><span class="n">bool_array</span> <span class="o">==</span> <span class="mi">1</span><span class="p">):</span>
             <span class="k">return</span> <span class="kc">True</span>
         <span class="k">elif</span> <span class="n">np</span><span class="o">.</span><span class="n">all</span><span class="p">(</span><span class="n">bool_array</span> <span class="o">==</span> <span class="mi">0</span><span class="p">):</span>
@@ -1082,7 +1082,7 @@
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">reweighted</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-        <span class="n">bool_array</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="nb">list</span><span class="p">(</span><span class="nb">map</span><span class="p">(</span><span class="k">lambda</span> <span class="n">x</span><span class="p">:</span> <span class="n">x</span><span class="o">.</span><span class="n">reweighted</span><span class="p">,</span> <span class="n">o</span><span class="p">))</span> <span class="k">for</span> <span class="n">o</span> <span class="ow">in</span> <span class="nb">list</span><span class="p">(</span><span class="nb">filter</span><span class="p">(</span><span class="kc">None</span><span class="o">.</span><span class="fm">__ne__</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">content</span><span class="p">))])</span>
+        <span class="n">bool_array</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="nb">list</span><span class="p">(</span><span class="nb">map</span><span class="p">(</span><span class="k">lambda</span> <span class="n">x</span><span class="p">:</span> <span class="n">x</span><span class="o">.</span><span class="n">reweighted</span><span class="p">,</span> <span class="n">o</span><span class="p">))</span> <span class="k">for</span> <span class="n">o</span> <span class="ow">in</span> <span class="p">[</span><span class="n">x</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">content</span> <span class="k">if</span> <span class="n">x</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">]])</span>
         <span class="k">if</span> <span class="n">np</span><span class="o">.</span><span class="n">all</span><span class="p">(</span><span class="n">bool_array</span> <span class="o">==</span> <span class="mi">1</span><span class="p">):</span>
             <span class="k">return</span> <span class="kc">True</span>
         <span class="k">elif</span> <span class="n">np</span><span class="o">.</span><span class="n">all</span><span class="p">(</span><span class="n">bool_array</span> <span class="o">==</span> <span class="mi">0</span><span class="p">):</span>