Fixed bleach NoneType issue on /attendances/

Author: paulmwatson

pombola/south_africa/templates/south_africa/person_attendances.html

@@ -22,7 +22,9 @@ <h2>Committee Meetings Attended</h2>
         <span class="meeting-date">{{ meeting.date }}</span>
       </p>
       <div class="meeting-summary">
+        {% if meeting.summary %}
           {{ meeting.summary|bleach|truncatewords_html:50 }}
+        {% endif %}
       </div>
     </li>