Fixed broken test after pygment upgrade

Author: bmispelon

docs/tests.py

@@ -230,7 +230,7 @@ def band_listing(request):
             <div class="highlight">
                 <pre>
                     <span></span>
-                    <span class="k">def</span><span class="nf">band_listing</span>
+                    <span class="k">def</span><span class="w"> </span><span class="nf">band_listing</span>
                     <span class="p">(</span><span class="n">request</span>
                     <span class="p">):</span>
                     <span class="w">    </span>