BugFix: url_printview

__init__.py

 def url_printview(request):
     if not is_printview(request):
         search_query = get_search_query(request)
-        return '?printview' + ('&q=%s' % search_query) if search_query is not None else ''
+        return '?printview' + (('&q=%s' % search_query) if search_query is not None else '')
     else:
         return request.path