avoid crash with cw < 3.8

views.py

@@ -307,6 +307,7 @@
             self.w(u'<div class="section">')
             self.w(u'<h4>%s</h4>\n' % self._cw._('Latest comments').capitalize())
             self.wview('table', rset,
+                       displaycols=range(3), # XXX may be removed with cw >= 3.8
                        headers=[_('about'), _('on date'),
                                 _('comment content')],
                        cellvids={0: 'commentroot',